UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: June 30, 2009

Check here if Amendment [  ]; Amendment Number:
This Amendment (Check only one.): [  ] is a restatement.
                                  [  ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    Monroe Bank & Trust
Address: 102 E. Front Street
         Monroe, MI  48161

13F File Number:  28-07438

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:      Diane Y. Kamprath
Title:     Vice President
Phone:     734-242-3773

Signature, Place, and Date of Signing:

     /s/  Diane Y. Kamprath     Monroe, MI     July 27, 2009

Report Type (Check only one.):

[ X]         13F HOLDINGS REPORT.

[  ]         13F NOTICE.

[  ]         13F COMBINATION REPORT.



                              FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:         0

Form13F Information Table Entry Total:     194

Form13F Information Table Value Total:     $107,018 (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional managers with respect to which this report is filed, other
than the manager filing this report.

NONE



                                    
                                                     FORM 13F INFORMATION TABLE
                                                             VALUE  SHARES/ SH/ PUT/ INVSTMT  OTHER            VOTING AUTHORITY
NAME OF ISSUER                 TITLE OF CLASS   CUSIP     (x$1000)  PRN AMT PRN CALL DSCRETN MANAGERS         SOLE   SHARED     NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
ABBOTT LABS                    COM              002824100      624    13255 SH       SOLE                    10655     2600        0
ABBOTT LABS                    COM              002824100      117     2488 SH       DEFINED                   720     1768        0
ACCENTURE LTD BERMUDA          CL A             G1150G111      958    28630 SH       SOLE                    23115     5515        0
ACCENTURE LTD BERMUDA          CL A             G1150G111      153     4565 SH       DEFINED                  3240      225     1100
ALTRIA GROUP INC               COM              02209S103       80     4870 SH       DEFINED                  3870      350      650
ALTRIA GROUP INC               COM              02209S103      461    28125 SH       SOLE                    21590     6535        0
APACHE CORP                    COM              037411105     2309    32006 SH       SOLE                    28535     3341      130
APACHE CORP                    COM              037411105      326     4525 SH       DEFINED                  4225        0      300
AT&T INC                       COM              00206R102       66     2650 SH       DEFINED                  2650        0        0
AT&T INC                       COM              00206R102      355    14289 SH       SOLE                     9791     3774      724
AUTOMATIC DATA PROCESSING IN   COM              053015103       89     2525 SH       DEFINED                  1225      350      950
AUTOMATIC DATA PROCESSING IN   COM              053015103     1203    33960 SH       SOLE                    29555     4405        0
BANK OF AMERICA CORPORATION    COM              060505104      128     9675 SH       SOLE                     2128     7547        0
BANK OF AMERICA CORPORATION    COM              060505104       95     7198 SH       DEFINED                  7198        0        0
BAXTER INTL INC                COM              071813109      502     9475 SH       SOLE                     7525     1950        0
BAXTER INTL INC                COM              071813109       30      560 SH       DEFINED                   560        0        0
BLACKROCK INC                  COM              09247X101       20      115 SH       DEFINED                     0        0      115
BLACKROCK INC                  COM              09247X101      541     3085 SH       SOLE                     2375      710        0
BP PLC                         SPONSORED ADR    055622104      682    14298 SH       SOLE                    11328     2970        0
BP PLC                         SPONSORED ADR    055622104      206     4312 SH       DEFINED                  4152      160        0
BURLINGTON NORTHN SANTA FE C   COM              12189T104      346     4700 SH       SOLE                     2950     1750        0
BURLINGTON NORTHN SANTA FE C   COM              12189T104       15      200 SH       DEFINED                   200        0        0
CHESAPEAKE ENERGY CORP         COM              165167107      227    11430 SH       SOLE                    10725      380      325
CHESAPEAKE ENERGY CORP         COM              165167107       55     2755 SH       DEFINED                  1955      150      650
CHEVRON CORP NEW               COM              166764100     1191    17983 SH       SOLE                    14530     3303      150
CHEVRON CORP NEW               COM              166764100      101     1520 SH       DEFINED                  1070      100      350
CISCO SYS INC                  COM              17275R102      728    39072 SH       SOLE                    28818    10254        0
CISCO SYS INC                  COM              17275R102       71     3800 SH       DEFINED                  2200        0     1600
COCA COLA CO                   COM              191216100      794    16545 SH       SOLE                    13155     3390        0
COCA COLA CO                   COM              191216100      158     3290 SH       DEFINED                  2440      150      700
COLGATE PALMOLIVE CO           COM              194162103     1331    18810 SH       SOLE                    15121     3689        0
COLGATE PALMOLIVE CO           COM              194162103      139     1961 SH       DEFINED                  1311      100      550
CVS CAREMARK CORPORATION       COM              126650100      188     5899 SH       SOLE                     2289     3010      600
CVS CAREMARK CORPORATION       COM              126650100       29      920 SH       DEFINED                   920        0        0
DTE ENERGY CO                  COM              233331107      266     8301 SH       SOLE                     6579      522     1200
DTE ENERGY CO                  COM              233331107       85     2670 SH       DEFINED                   670        0     2000
EMERSON ELEC CO                COM              291011104      372    11500 SH       SOLE                     9000     2500        0
EMERSON ELEC CO                COM              291011104       10      300 SH       DEFINED                   300        0        0
ENERGY INCOME & GROWTH FD      COM              292697109      581    28500 SH       SOLE                    18750     9750        0
ENTERGY CORP NEW               COM              29364G103      202     2604 SH       SOLE                     1065     1539        0
EXELON CORP                    COM              30161N101      370     7225 SH       SOLE                     5225     2000        0
EXELON CORP                    COM              30161N101       33      650 SH       DEFINED                   650        0        0
EXPRESS SCRIPTS INC            COM              302182100      210     3050 SH       SOLE                     2925      125        0
EXXON MOBIL CORP               COM              30231G102     2350    33625 SH       SOLE                    29450     4025      150
EXXON MOBIL CORP               COM              30231G102      515     7363 SH       DEFINED                  4868     1270     1225
FORD MTR CO DEL                COM PAR $0.01    345370860      131    21534 SH       SOLE                     7087    14447        0
FORD MTR CO DEL                COM PAR $0.01    345370860       54     8950 SH       DEFINED                  8950        0        0
FPL GROUP INC                  COM              302571104      167     2937 SH       SOLE                     1737     1200        0
FPL GROUP INC                  COM              302571104      159     2800 SH       DEFINED                  2600        0      200
GAMESTOP CORP NEW              CL A             36467W109      299    13590 SH       SOLE                    11760     1830        0
GAMESTOP CORP NEW              CL A             36467W109        9      390 SH       DEFINED                     0        0      390
GENERAL ELECTRIC CO            COM              369604103      962    82095 SH       SOLE                    71270    10425      400
GENERAL ELECTRIC CO            COM              369604103      268    22850 SH       DEFINED                 20300      550     2000
GENERAL MLS INC                COM              370334104       17      300 SH       DEFINED                   300        0        0
GENERAL MLS INC                COM              370334104      322     5750 SH       SOLE                     3025     2725        0
GILEAD SCIENCES INC            COM              375558103       28      600 SH       DEFINED                   600        0        0
GILEAD SCIENCES INC            COM              375558103      332     7084 SH       SOLE                     5465     1619        0
GOOGLE INC                     CL A             38259P508      428     1015 SH       SOLE                      664      351        0
GOOGLE INC                     CL A             38259P508       30       70 SH       DEFINED                    70        0        0
HANCOCK JOHN PFD INCOME FD     SH BEN INT       41013W108      247    16430 SH       DEFINED                 11830        0     4600
HANCOCK JOHN PFD INCOME FD     SH BEN INT       41013W108      775    51590 SH       SOLE                    47840     3750        0
HEALTH CARE REIT INC           COM              42217K106      196     5750 SH       DEFINED                  5750        0        0
HEALTH CARE REIT INC           COM              42217K106      334     9800 SH       SOLE                     8600     1200        0
HEWLETT PACKARD CO             COM              428236103      474    12261 SH       SOLE                     7315     4146      800
HEWLETT PACKARD CO             COM              428236103       12      300 SH       DEFINED                   300        0        0
INTEL CORP                     COM              458140100       85     5149 SH       SOLE                     1941     3208        0
INTEL CORP                     COM              458140100      270    16331 SH       DEFINED                 15831      500        0
INTERNATIONAL BUSINESS MACHS   COM              459200101      449     4301 SH       SOLE                     2627     1674        0
INTERNATIONAL BUSINESS MACHS   COM              459200101      153     1470 SH       DEFINED                  1470        0        0
ISHARES COMEX GOLD TR          ISHARES          464285105      583     6390 SH       SOLE                     4140     2250        0
ISHARES INC                    MSCI PAC J IDX   464286665      426    13465 SH       SOLE                     8965     4500        0
ISHARES S&P GSCI COMMODITY I   UNIT BEN INT     46428R107     1649    54890 SH       SOLE                    52890     1525      475
ISHARES S&P GSCI COMMODITY I   UNIT BEN INT     46428R107      109     3645 SH       DEFINED                  1545      450     1650
ISHARES TR                     DJ US TELECOMM   464287713      718    40367 SH       SOLE                    37957     2035      375
ISHARES TR                     DJ US UTILS      464287697       84     1257 SH       DEFINED                   382      200      675
ISHARES TR                     DJ US TECH SEC   464287721      120     2702 SH       DEFINED                  2252      450        0
ISHARES TR                     DJ US UTILS      464287697     2262    33864 SH       SOLE                    29659     4155       50
ISHARES TR                     RUSSELL 2000     464287655      346     6771 SH       DEFINED                  4706      565     1500
ISHARES TR                     CONS GOODS IDX   464287812     1390    29759 SH       SOLE                    28674      810      275
ISHARES TR                     BARCLYS SH TREA  464288679      322     2925 SH       SOLE                     2925        0        0
ISHARES TR                     RUSL 2000 GROW   464287648      843    14873 SH       SOLE                    11998     2875        0
ISHARES TR                     BARCLYS MBS BD   464288588     1794    17043 SH       SOLE                    14793      950     1300
ISHARES TR                     HIGH YLD CORP    464288513       12      150 SH       DEFINED                   150        0        0
ISHARES TR                     HIGH YLD CORP    464288513      295     3707 SH       SOLE                     3432        0      275
ISHARES TR                     S&P NATL MUN B   464288414      209     2100 SH       DEFINED                   600     1500        0
ISHARES TR                     S&P NATL MUN B   464288414      464     4652 SH       SOLE                     4052        0      600
ISHARES TR                     DJ US BAS MATL   464287838      101     2327 SH       DEFINED                  1027      250     1050
ISHARES TR                     DJ US TELECOMM   464287713       49     2735 SH       DEFINED                  1785      200      750
ISHARES TR                     CONS GOODS IDX   464287812       35      743 SH       DEFINED                   743        0        0
ISHARES TR                     DJ US TECH SEC   464287721     2718    61101 SH       SOLE                    56951     3550      600
ISHARES TR                     DJ US ENERGY     464287796       52     1804 SH       DEFINED                  1654      150        0
ISHARES TR                     DJ US ENERGY     464287796     1807    63120 SH       SOLE                    58715     3430      975
ISHARES TR                     DJ US FINL SEC   464287788       63     1490 SH       DEFINED                   290      250      950
ISHARES TR                     DJ US FINL SEC   464287788     1350    31681 SH       SOLE                    28481     3075      125
ISHARES TR                     DJ US HEALTHCR   464287762      158     2923 SH       DEFINED                  1223      300     1400
ISHARES TR                     DJ US HEALTHCR   464287762     2807    51877 SH       SOLE                    46682     4870      325
ISHARES TR                     DJ US INDUSTRL   464287754       55     1318 SH       DEFINED                   818      500        0
ISHARES TR                     DJ US INDUSTRL   464287754     1536    36830 SH       SOLE                    32980     3575      275
ISHARES TR                     BARCLYS CR BD    464288620      964     9845 SH       SOLE                     8815      550      480
ISHARES TR                     DJ US BAS MATL   464287838     1175    27066 SH       SOLE                    23041     4025        0
ISHARES TR                     CONS SRVC IDX    464287580      372     8394 SH       SOLE                     7869      350      175
ISHARES TR                     RUSSELL 2000     464287655     2892    56614 SH       SOLE                    52849     3540      225
ISHARES TR                     RUSSELL1000GRW   464287614       75     1831 SH       DEFINED                  1260      571        0
ISHARES TR                     CONS SRVC IDX    464287580       21      470 SH       DEFINED                   320      150        0
ISHARES TR                     COHEN&ST RLTY    464287564       84     2335 SH       DEFINED                   710      375     1250
ISHARES TR                     COHEN&ST RLTY    464287564      612    17040 SH       SOLE                    16045      650      345
ISHARES TR                     RUSSELL MIDCAP   464287499      232     3538 SH       DEFINED                  3238      300        0
ISHARES TR                     RUSSELL MIDCAP   464287499     2428    37065 SH       SOLE                    34655     1735      675
ISHARES TR                     RUSSELL MCP GR   464287481      211     5800 SH       SOLE                     1800     4000        0
ISHARES TR                     MSCI EAFE IDX    464287465      650    14182 SH       DEFINED                  6597     1335     6250
ISHARES TR                     MSCI EAFE IDX    464287465     6047   131995 SH       SOLE                   116699    13696     1600
ISHARES TR                     BARCLYS 1-3 YR   464287457      527     6300 SH       DEFINED                  2400     1500     2400
ISHARES TR                     BARCLYS 1-3 YR   464287457     2568    30682 SH       SOLE                    27827     2155      700
ISHARES TR                     S&P NA NAT RES   464287374      220     7925 SH       SOLE                     7600        0      325
ISHARES TR                     MSCI EMERG MKT   464287234      589    18284 SH       DEFINED                 10919     3615     3750
ISHARES TR                     MSCI EMERG MKT   464287234     5989   185881 SH       SOLE                   165661    18445     1775
ISHARES TR                     BARCLYS US AGG B 464287226     1077    10545 SH       DEFINED                  7345     1200     2000
ISHARES TR                     BARCLYS US AGG B 464287226     4259    41692 SH       SOLE                    37227     3865      600
ISHARES TR                     BARCLYS TIPS BD  464287176       58      575 SH       DEFINED                   575        0        0
ISHARES TR                     BARCLYS TIPS BD  464287176     2332    22946 SH       SOLE                    19346     3220      380
ISHARES TR                     DJ SEL DIV INX   464287168      111     3125 SH       DEFINED                  3125        0        0
ISHARES TR                     DJ SEL DIV INX   464287168      632    17885 SH       SOLE                    11610     6275        0
ISHARES TR                     RUSSELL1000GRW   464287614      153     3728 SH       SOLE                     3728        0        0
ISHARES TR                     S&P NA NAT RES   464287374        1       50 SH       DEFINED                    50        0        0
ISHARES TR                     RUSL 2000 GROW   464287648       23      405 SH       DEFINED                   405        0        0
JACOBS ENGR GROUP INC DEL      COM              469814107       25      600 SH       DEFINED                     0      100      500
JACOBS ENGR GROUP INC DEL      COM              469814107      276     6555 SH       SOLE                     4015     2540        0
JOHNSON & JOHNSON              COM              478160104     1876    33042 SH       SOLE                    28104     4938        0
JOHNSON & JOHNSON              COM              478160104      275     4835 SH       DEFINED                  3835      350      650
JPMORGAN CHASE & CO            COM              46625H100      423    12404 SH       SOLE                    11070     1334        0
JPMORGAN CHASE & CO            COM              46625H100      407    11941 SH       DEFINED                 11200      741        0
LA Z BOY INC                   COM              505336107      548   116150 SH       SOLE                   106150    10000        0
LA Z BOY INC                   COM              505336107        0      100 SH       DEFINED                   100        0        0
LILLY ELI & CO                 COM              532457108      155     4472 SH       SOLE                     3204     1268        0
LILLY ELI & CO                 COM              532457108      111     3200 SH       DEFINED                  3200        0        0
MBT FINL CORP                  COM              578877102      603   263406 SH       SOLE                    79759    18000   165647
MCDONALDS CORP                 COM              580135101     1323    23005 SH       SOLE                    19515     3490        0
MCDONALDS CORP                 COM              580135101      137     2387 SH       DEFINED                  1587      100      700
MEDCO HEALTH SOLUTIONS INC     COM              58405U102       65     1420 SH       DEFINED                  1420        0        0
MEDCO HEALTH SOLUTIONS INC     COM              58405U102      282     6188 SH       SOLE                     4188     2000        0
MEDTRONIC INC                  COM              585055106      508    14570 SH       SOLE                    13175     1395        0
MEDTRONIC INC                  COM              585055106       72     2060 SH       DEFINED                   960      200      900
MICROSOFT CORP                 COM              594918104     1559    65574 SH       SOLE                    53464    12110        0
MICROSOFT CORP                 COM              594918104      456    19200 SH       DEFINED                 16750     1000     1450
MYLAN INC                      COM              628530107      133    10225 SH       SOLE                     6425     3800        0
NOBLE CORPORATION BAAR         NAMEN -AKT       H5833N103       51     1700 SH       DEFINED                   800      350      550
NOBLE CORPORATION BAAR         NAMEN -AKT       H5833N103     1023    33820 SH       SOLE                    26566     7019      235
NORFOLK SOUTHERN CORP          COM              655844108      162     4311 SH       SOLE                     4225       86        0
NORFOLK SOUTHERN CORP          COM              655844108       91     2413 SH       DEFINED                  2413        0        0
NUVEEN QUALITY PFD INC FD 3    COM              67072W101       74    12400 SH       SOLE                    12400        0        0
NUVEEN QUALITY PFD INCOME FD   COM              67071S101      104    18840 SH       DEFINED                 12240        0     6600
NUVEEN QUALITY PFD INCOME FD   COM              67072C105       79    12600 SH       SOLE                    12600        0        0
NUVEEN QUALITY PFD INCOME FD   COM              67071S101      408    73980 SH       SOLE                    73980        0        0
OCCIDENTAL PETE CORP DEL       COM              674599105      224     3400 SH       DEFINED                  3400        0        0
OCCIDENTAL PETE CORP DEL       COM              674599105       10      152 SH       SOLE                        0      152        0
ORACLE CORP                    COM              68389X105       67     3150 SH       DEFINED                   750      450     1950
ORACLE CORP                    COM              68389X105     1188    55489 SH       SOLE                    41519    13970        0
PEPSICO INC                    COM              713448108     1126    20500 SH       SOLE                    17750     2700       50
PEPSICO INC                    COM              713448108      222     4045 SH       DEFINED                  2720     1075      250
PFIZER INC                     COM              717081103      227    15163 SH       SOLE                     8706     6457        0
PFIZER INC                     COM              717081103       14      950 SH       DEFINED                   450      500        0
PHILIP MORRIS INTL INC         COM              718172109      164     3760 SH       DEFINED                  3260        0      500
PHILIP MORRIS INTL INC         COM              718172109     1019    23360 SH       SOLE                    17690     5670        0
POWERSHARES GLOBAL ETF TRUST   INSUR NATL MUN   73936T474      293    13100 SH       DEFINED                 13100        0        0
PROCTER & GAMBLE CO            COM              742718109      253     4950 SH       DEFINED                  4250      100      600
PROCTER & GAMBLE CO            COM              742718109     1634    31983 SH       SOLE                    27918     4065        0
ROCKWELL COLLINS INC           COM              774341101      322     7725 SH       SOLE                     7370      355        0
ROCKWELL COLLINS INC           COM              774341101       40      950 SH       DEFINED                   100      150      700
SCHLUMBERGER LTD               COM              806857108       81     1500 SH       DEFINED                   650        0      850
SCHLUMBERGER LTD               COM              806857108      374     6911 SH       SOLE                     5200     1711        0
SOUTHERN CO                    COM              842587107       75     2400 SH       DEFINED                  2400        0        0
SOUTHERN CO                    COM              842587107      388    12460 SH       SOLE                     9206     3254        0
SPDR SERIES TRUST              BRCLYS INTL ETF  78464A516      399     7295 SH       SOLE                     6695        0      600
SPDR TR                        UNIT SER 1       78462F103      362     3935 SH       SOLE                     3935        0        0
ST JUDE MED INC                COM              790849103      237     5773 SH       SOLE                     1765     4008        0
STRYKER CORP                   COM              863667101       26      650 SH       DEFINED                   650        0        0
STRYKER CORP                   COM              863667101      254     6400 SH       SOLE                     6000        0      400
TCW STRATEGIC INCOME FUND IN   COM              872340104      100    27500 SH       DEFINED                 27500        0        0
TCW STRATEGIC INCOME FUND IN   COM              872340104       11     3050 SH       SOLE                     3050        0        0
TRANSOCEAN LTD                 REG SHS          H8817H100      214     2881 SH       SOLE                     2139      742        0
UNITED TECHNOLOGIES CORP       COM              913017109      639    12298 SH       SOLE                     9166     3132        0
UNITED TECHNOLOGIES CORP       COM              913017109       26      500 SH       DEFINED                   500        0        0
VANGUARD BD INDEX FD INC       INTERMED TERM    921937819      212     2750 SH       SOLE                     2750        0        0
VANGUARD BD INDEX FD INC       SHORT TRM BOND   921937827      772     9770 SH       SOLE                     8820      950        0
VERIZON COMMUNICATIONS INC     COM              92343V104      671    21840 SH       SOLE                    16627     4763      450
VERIZON COMMUNICATIONS INC     COM              92343V104       72     2350 SH       DEFINED                  2350        0        0
WAL MART STORES INC            COM              931142103      891    18402 SH       SOLE                    15337     3065        0
WAL MART STORES INC            COM              931142103      221     4560 SH       DEFINED                  3650      210      700
WASTE MGMT INC DEL             COM              94106L109       13      450 SH       DEFINED                   450        0        0
WASTE MGMT INC DEL             COM              94106L109      265     9410 SH       SOLE                     8275     1135        0
WELLS FARGO & CO NEW           COM              949746101      241     9928 SH       SOLE                     6688     2940      300
WELLS FARGO & CO NEW           COM              949746101      139     5715 SH       DEFINED                  2824     2891        0
WINDSTREAM CORP                COM              97381W104      127    15150 SH       SOLE                     9150     6000        0
WINDSTREAM CORP                COM              97381W104        7      826 SH       DEFINED                   826        0        0