UNITED STATES

                   SECURITIES AND EXCHANGE COMMISSION

                        Washington, D.C. 20549

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                                FORM 13F

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                         FORM 13F COVER PAGE


Report for the Calendar Year or Quarter Ended:  March 31, 2012

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:             First Merchants Bank, National Association
Address:          200 East Jackson Street
                  Muncie, IN   47305

Form 13F File Number:  28-

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:             Terry Blaker
Title:            Senior Vice President
Phone:            (765) 747-1570

Signature, Place, and Date of Signing:

      /s/ Terry L Blaker          Muncie, IN         April 09, 2012

Report Type (Check only one.):

[X]    13F HOLDING REPORT.
[ ]    13F NOTICE.
[ ]    COMBINATION REPORT.

FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 232 Form 13F Information Table Value Total: $243,760,000 List of Other Included Managers: 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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ACCENTURE PLC ADR G1151C101 2772 42985 SH SOLE 42585 300 100 ACCENTURE PLC ADR G1151C101 262 4065 SH DEFINED 4065 0 0 COVIDIEN ADR G2554F113 695 12717 SH SOLE 12667 50 0 COVIDIEN ADR G2554F113 81 1489 SH DEFINED 1489 0 0 NOBLE CORPORATION COM H5833N103 1385 36972 SH SOLE 36497 375 100 NOBLE CORPORATION COM H5833N103 74 1971 SH DEFINED 1971 0 0 TRANSOCEAN LTD COM H8817H100 546 9986 SH SOLE 9682 304 0 TRANSOCEAN LTD COM H8817H100 25 458 SH DEFINED 458 0 0 AT&T INC COM 00206R102 3782 121148 SH SOLE 119711 1105 332 AT&T INC COM 00206R102 212 6789 SH DEFINED 6789 0 0 ABBOTT LABS COM 002824100 3137 51177 SH SOLE 50127 750 300 ABBOTT LABS COM 002824100 324 5290 SH DEFINED 5290 0 0 ADOBE SYSTEMS INC COM 00724F101 1393 40616 SH SOLE 39866 750 0 ADOBE SYSTEMS INC COM 00724F101 94 2749 SH DEFINED 2749 0 0 ALLIANT CORP COM 018802108 2070 47788 SH SOLE 46813 975 0 ALLIANT CORP COM 018802108 231 5341 SH DEFINED 5341 0 0 ALTRIA GROUP INC COM 02209S103 46 1500 SH SOLE 1500 0 0 ALTRIA GROUP INC COM 02209S103 182 5900 SH DEFINED 2900 0 3000 APACHE CORP COM 037411105 1647 16401 SH SOLE 16026 325 50 APACHE CORP COM 037411105 65 650 SH DEFINED 650 0 0 AUTOMATIC DATA PROCESSING COM 053015103 3793 68732 SH SOLE 67557 975 200 AUTOMATIC DATA PROCESSING COM 053015103 363 6580 SH DEFINED 6580 0 0 BB & T CORPORATION COM 054937107 534 17002 SH SOLE 17002 0 0 BB & T CORPORATION COM 054937107 7 212 SH DEFINED 212 0 0 BAKER HUGHES INC COM 057224107 1395 33264 SH SOLE 32604 660 0 BAKER HUGHES INC COM 057224107 123 2930 SH DEFINED 2930 0 0 BALL CORP COM 058498106 2622 61150 SH SOLE 61150 0 0 BALL CORP COM 058498106 17 400 SH DEFINED 400 0 0 BANK OF NEW YORK MELLON CORPCOM 064058100 857 35534 SH SOLE 34459 975 100 BANK OF NEW YORK MELLON CORPCOM 064058100 28 1173 SH DEFINED 1173 0 0 BAXTER INTERNATIONAL INC COM 071813109 2207 36928 SH SOLE 36138 760 30 BAXTER INTERNATIONAL INC COM 071813109 239 3995 SH DEFINED 3995 0 0 BECTON DICKINSON & CO COM 075887109 2027 26103 SH SOLE 25613 460 30 BECTON DICKINSON & CO COM 075887109 193 2483 SH DEFINED 2483 0 0 BED BATH & BEYOND COM 075896100 1640 24931 SH SOLE 24431 500 0 BED BATH & BEYOND COM 075896100 136 2075 SH DEFINED 2075 0 0 BEST BUY COMPANY INC COM 086516101 895 37783 SH SOLE 37068 615 100 BEST BUY COMPANY INC COM 086516101 21 875 SH DEFINED 875 0 0 BRISTOL-MYERS SQUIBB COM 110122108 206 6100 SH SOLE 6100 0 0 BRISTOL-MYERS SQUIBB COM 110122108 74 2200 SH DEFINED 1200 0 1000 BUCKLE INC COM 118440106 1082 22579 SH SOLE 22119 460 0 BUCKLE INC COM 118440106 31 657 SH DEFINED 657 0 0 CAREFUSION CORP COM 14170T101 241 9302 SH SOLE 9302 0 0 CATERPILLAR INC. COM 149123101 375 3525 SH SOLE 3425 25 75 CATERPILLAR INC. COM 149123101 27 256 SH DEFINED 256 0 0 CHEVRON CORP COM 166764100 4693 43777 SH SOLE 42602 675 500 CHEVRON CORP COM 166764100 607 5660 SH DEFINED 4660 0 1000 CHUBB CORP COM 171232101 2639 38192 SH SOLE 37542 650 0 CHUBB CORP COM 171232101 316 4577 SH DEFINED 4577 0 0 CISCO SYSTEMS COM 17275R102 2352 111248 SH SOLE 109173 1775 300 CISCO SYSTEMS COM 17275R102 165 7815 SH DEFINED 7815 0 0 COCA COLA CO COM 191216100 1547 20896 SH SOLE 20896 0 0 COCA COLA CO COM 191216100 215 2900 SH DEFINED 2900 0 0 COLGATE PALMOLIVE CO COM 194162103 1704 17423 SH SOLE 17023 400 0 COLGATE PALMOLIVE CO COM 194162103 75 770 SH DEFINED 770 0 0 CONOCOPHILLIPS COM 20825C104 1976 25992 SH SOLE 25242 750 0 CONOCOPHILLIPS COM 20825C104 511 6725 SH DEFINED 5725 0 1000 CULLEN FROST BANKERS COM 229899109 1413 24291 SH SOLE 23741 500 50 CULLEN FROST BANKERS COM 229899109 159 2725 SH DEFINED 2725 0 0 DANAHER CORP COM 235851102 1356 24210 SH SOLE 23560 650 0 DANAHER CORP COM 235851102 45 800 SH DEFINED 800 0 0 DEERE & CO COM 244199105 194 2400 SH SOLE 2400 0 0 DEERE & CO COM 244199105 313 3875 SH DEFINED 3875 0 0 DISNEY WALT COMPANY COM 254687106 673 15375 SH SOLE 15265 110 0 DISNEY WALT COMPANY COM 254687106 160 3660 SH DEFINED 3660 0 0 DONALDSON INC COM 257651109 829 23210 SH SOLE 22130 1000 80 DONALDSON INC COM 257651109 114 3200 SH DEFINED 3200 0 0 DU PONT E I DE NEMOURS COM 263534109 840 15875 SH SOLE 15475 400 0 DU PONT E I DE NEMOURS COM 263534109 69 1300 SH DEFINED 1300 0 0 ECOLAB INC COM 278865100 1239 20082 SH SOLE 19507 500 75 ECOLAB INC COM 278865100 148 2400 SH DEFINED 2400 0 0 EMERSON ELEC CO COM 291011104 2632 50433 SH SOLE 49733 600 100 EMERSON ELEC CO COM 291011104 405 7759 SH DEFINED 5759 0 2000 ENDO PHARM HLDG INC COM 29264F205 604 15595 SH SOLE 14695 900 0 ENDO PHARM HLDG INC COM 29264F205 12 300 SH DEFINED 300 0 0 EXXON MOBIL CORP COM 30231G102 5907 68114 SH SOLE 67114 825 175 EXXON MOBIL CORP COM 30231G102 681 7853 SH DEFINED 5797 0 2056 FIRST MERCHANTS CORP COM 320817109 1060 85895 SH SOLE 82186 3709 0 FIRST MERCHANTS CORP COM 320817109 298 24162 SH DEFINED 24162 0 0 FLOWERS FOOD INC COM 343498101 1398 68651 SH SOLE 67476 1175 0 FLOWERS FOOD INC COM 343498101 135 6637 SH DEFINED 6637 0 0 GENERAL ELECTRIC CO COM 369604103 1993 99350 SH SOLE 95900 1850 1600 GENERAL ELECTRIC CO COM 369604103 201 10000 SH DEFINED 9000 0 1000 GRACO INC COM 384109104 1234 23248 SH SOLE 22648 500 100 GRACO INC COM 384109104 67 1266 SH DEFINED 1266 0 0 HCC INSURANCE HLDGS COM 404132102 1557 49967 SH SOLE 49167 800 0 HCC INSURANCE HLDGS COM 404132102 120 3840 SH DEFINED 3840 0 0 HARRIS CORP DEL COM 413875105 2386 52937 SH SOLE 52152 685 100 HARRIS CORP DEL COM 413875105 188 4170 SH DEFINED 4170 0 0 HEINZ H J CO COM 423074103 72 1350 SH SOLE 1350 0 0 HEINZ H J CO COM 423074103 134 2500 SH DEFINED 1000 0 1500 HENRY JACK & ASSOCIATES COM 426281101 1549 45421 SH SOLE 45421 0 0 HENRY JACK & ASSOCIATES COM 426281101 121 3535 SH DEFINED 3535 0 0 HORMEL FOODS CORP COM 440452100 759 25715 SH SOLE 25715 0 0 HORMEL FOODS CORP COM 440452100 21 700 SH DEFINED 700 0 0 INTEL CORP COM 458140100 1720 61190 SH SOLE 58890 1500 800 INTEL CORP COM 458140100 296 10530 SH DEFINED 9530 0 1000 INTL BUSINESS MACHINES CORP COM 459200101 2213 10606 SH SOLE 10331 175 100 INTL BUSINESS MACHINES CORP COM 459200101 37 175 SH DEFINED 175 0 0 S&P 100 INDEX ETF ISHARES 464287101 217 3390 SH SOLE 3390 0 0 BARCLAYS AGGREGATE BOND ETF ISHARES 464287226 1773 16140 SH SOLE 16140 0 0 MSCI EMERGING MARKET INDEX ETF ISHARES 464287234 439 10213 SH SOLE 10213 0 0 MSCI EAFE ETF ISHARES 464287465 412 7512 SH SOLE 7087 425 0 NASDAQ BIOTECH INDEX ETF ISHARES 464287556 1451 11767 SH SOLE 11342 325 100 NASDAQ BIOTECH INDEX ETF ISHARES 464287556 176 1425 SH DEFINED 1425 0 0 S&P MID-CAP 400 GROWTH ETF ISHARES 464287606 9781 86989 SH SOLE 86264 725 0 S&P MID-CAP 400 GROWTH ETF ISHARES 464287606 474 4216 SH DEFINED 4216 0 0 RUSSELL 2000 INDEX ETF ISHARES 464287655 1025 12382 SH SOLE 11962 420 0 RUSSELL 2000 INDEX ETF ISHARES 464287655 24 285 SH DEFINED 285 0 0 S&P MID-CAP 400 VALUE ETF ISHARES 464287705 10038 117547 SH SOLE 116899 504 144 S&P MID-CAP 400 VALUE ETF ISHARES 464287705 496 5803 SH DEFINED 5803 0 0 S&P SMALL CAP 600 ETF ISHARES 464287804 3264 42777 SH SOLE 41661 860 256 S&P SMALL CAP 600 ETF ISHARES 464287804 104 1360 SH DEFINED 1360 0 0 S&P SMALL CAP 600 VALUE ETF ISHARES 464287879 4519 57530 SH SOLE 56937 593 0 S&P SMALL CAP 600 VALUE ETF ISHARES 464287879 98 1251 SH DEFINED 1251 0 0 S&P SMALL CAP 600 GROWTH ETF ISHARES 464287887 4941 59832 SH SOLE 59583 249 0 S&P SMALL CAP 600 GROWTH ETF ISHARES 464287887 100 1213 SH DEFINED 1213 0 0 BARCLAYS MBS BOND FUND ETF ISHARES 464288588 274 2540 SH SOLE 2540 0 0 J P MORGAN CHASE & CO COM 46625H100 3364 73168 SH SOLE 72718 100 350 J P MORGAN CHASE & CO COM 46625H100 503 10932 SH DEFINED 10932 0 0 JOHNSON & JOHNSON COM 478160104 3334 50549 SH SOLE 49699 800 50 JOHNSON & JOHNSON COM 478160104 366 5543 SH DEFINED 3143 0 2400 KELLOGG CO COM 487836108 243 4540 SH SOLE 4540 0 0 KIMBERLY CLARK CORP COM 494368103 1601 21669 SH SOLE 21069 500 100 KIMBERLY CLARK CORP COM 494368103 449 6075 SH DEFINED 5075 0 1000 KOHL'S CORP COM 500255104 2329 46572 SH SOLE 45532 910 130 KOHL'S CORP COM 500255104 208 4160 SH DEFINED 4160 0 0 LABORATORY CORP COM 50540R409 226 2470 SH SOLE 2395 25 50 LABORATORY CORP COM 50540R409 9 100 SH DEFINED 100 0 0 LILLY ELI & CO COM 532457108 641 15917 SH SOLE 15817 0 100 LILLY ELI & CO COM 532457108 30 750 SH DEFINED 750 0 0 LORILLARD INC COM 544147101 259 2000 SH DEFINED 1000 0 1000 LOWE'S COMPANIES INC COM 548661107 3280 104541 SH SOLE 102391 1850 300 LOWE'S COMPANIES INC COM 548661107 378 12045 SH DEFINED 12045 0 0 MDU RES GROUP INC COM 552690109 2132 95265 SH SOLE 93490 1675 100 MDU RES GROUP INC COM 552690109 186 8300 SH DEFINED 8300 0 0 MASCO CORP COM 574599106 271 20300 SH SOLE 20300 0 0 MASCO CORP COM 574599106 19 1400 SH DEFINED 1400 0 0 MCDONALDS CORP COM 580135101 370 3770 SH SOLE 3770 0 0 MCDONALDS CORP COM 580135101 78 800 SH DEFINED 800 0 0 MEDTRONIC INCORPORATED COM 585055106 845 21567 SH SOLE 20542 825 200 MEDTRONIC INCORPORATED COM 585055106 31 800 SH DEFINED 800 0 0 MICROSOFT CORPORATION COM 594918104 2860 88669 SH SOLE 86719 1550 400 MICROSOFT CORPORATION COM 594918104 382 11832 SH DEFINED 10832 0 1000 MICROCHIP TECHNOLOGY COM 595017104 2704 72683 SH SOLE 71078 1405 200 MICROCHIP TECHNOLOGY COM 595017104 326 8755 SH DEFINED 7755 0 1000 NATIONAL OILWELL VARCO COM 637071101 552 6945 SH SOLE 6945 0 0 NATIONAL OILWELL VARCO COM 637071101 35 435 SH DEFINED 435 0 0 NEXTERA ENERGY INC COM 65339F101 466 7625 SH SOLE 7575 50 0 NEXTERA ENERGY INC COM 65339F101 275 4500 SH DEFINED 2500 0 2000 NORTHERN TR CORP COM 665859104 1861 39214 SH SOLE 38389 700 125 NORTHERN TR CORP COM 665859104 140 2945 SH DEFINED 2945 0 0 NOVARTIS A G SPONSORED ADR 66987V109 855 15430 SH SOLE 15190 115 125 NOVARTIS A G SPONSORED ADR 66987V109 111 2005 SH DEFINED 2005 0 0 NUCOR CORP COM 670346105 938 21843 SH SOLE 21203 475 165 NUCOR CORP COM 670346105 146 3405 SH DEFINED 2405 0 1000 NVIDIA CORP COM 67066G104 1030 66903 SH SOLE 65303 1600 0 NVIDIA CORP COM 67066G104 117 7570 SH DEFINED 7570 0 0 OMNICOM GROUP INC COM 681919106 1165 23001 SH SOLE 22426 575 0 OMNICOM GROUP INC COM 681919106 86 1700 SH DEFINED 1700 0 0 ORACLE CORP COM 68389X105 914 31357 SH SOLE 30257 1000 100 ORACLE CORP COM 68389X105 52 1792 SH DEFINED 1792 0 0 OWENS & MINOR INC COM 690732102 986 32422 SH SOLE 31642 780 0 OWENS & MINOR INC COM 690732102 84 2750 SH DEFINED 2750 0 0 PEOPLE'S UNITED FINANCIAL COM 712704105 1066 80557 SH SOLE 78457 1900 200 PEOPLE'S UNITED FINANCIAL COM 712704105 96 7255 SH DEFINED 7255 0 0 PEPSICO INC COM 713448108 3219 48519 SH SOLE 47694 825 0 PEPSICO INC COM 713448108 219 3300 SH DEFINED 2300 0 1000 PFIZER INC COM 717081103 489 21598 SH SOLE 21300 0 298 PFIZER INC COM 717081103 45 2000 SH DEFINED 1000 0 1000 PHILLIP MORRIS INTL INC COM 718172109 142 1600 SH SOLE 1600 0 0 PHILLIP MORRIS INTL INC COM 718172109 379 4275 SH DEFINED 1775 0 2500 T. ROWE PRICE GROUP INC COM 74144T108 1992 30504 SH SOLE 30279 225 0 T. ROWE PRICE GROUP INC COM 74144T108 114 1747 SH DEFINED 1747 0 0 PROCTER & GAMBLE CO COM 742718109 3652 54338 SH SOLE 53313 925 100 PROCTER & GAMBLE CO COM 742718109 458 6811 SH DEFINED 6811 0 0 S&P 500 ETF SPDR 78462F103 1075 7636 SH SOLE 7636 0 0 S&P 500 ETF SPDR 78462F103 27 190 SH DEFINED 190 0 0 MSCI ACWI EX-US ETF SPDR 78463X848 2656 84505 SH SOLE 84505 0 0 S&P 400 MID-CAP ETF SPDR 78467Y107 7705 42640 SH SOLE 41860 571 209 S&P 400 MID-CAP ETF SPDR 78467Y107 351 1944 SH DEFINED 1944 0 0 SCHLUMBERGER LTD COM 806857108 3104 44385 SH SOLE 43480 630 275 SCHLUMBERGER LTD COM 806857108 317 4530 SH DEFINED 4530 0 0 MATERIALS SECTOR ETF SPDR 81369Y100 1637 44292 SH SOLE 43717 525 50 MATERIALS SECTOR ETF SPDR 81369Y100 107 2887 SH DEFINED 2887 0 0 HEALTHCARE SECTOR ETF SPDR 81369Y209 269 7150 SH SOLE 7150 0 0 HEALTHCARE SECTOR ETF SPDR 81369Y209 2 65 SH DEFINED 65 0 0 CONSUMER STAPLES SECTOR ETF SPDR 81369Y308 543 15946 SH SOLE 15946 0 0 CONSUMER STAPLES SECTOR ETF SPDR 81369Y308 5 150 SH DEFINED 150 0 0 CONSUMER DISCRETION SECTOR ETF SPDR 81369Y407 289 6405 SH SOLE 6405 0 0 CONSUMER DISCRETION SECTOR ETF SPDR 81369Y407 2 55 SH DEFINED 55 0 0 THE J.M. SMUCKER COMPANY COM 832696405 2642 32472 SH SOLE 31982 490 0 THE J.M. SMUCKER COMPANY COM 832696405 257 3161 SH DEFINED 3161 0 0 SOUTHERN CO COM 842587107 409 9100 SH SOLE 8600 300 200 SOUTHERN CO COM 842587107 106 2350 SH DEFINED 1350 0 1000 STRYKER CORP COM 863667101 1696 30570 SH SOLE 29870 700 0 STRYKER CORP COM 863667101 133 2402 SH DEFINED 2402 0 0 SUPERVALU INC COM 868536103 314 55035 SH SOLE 54910 125 0 SUPERVALU INC COM 868536103 6 1100 SH DEFINED 1100 0 0 SYSCO CORP COM 871829107 2809 94081 SH SOLE 92501 1480 100 SYSCO CORP COM 871829107 324 10848 SH DEFINED 10848 0 0 TARGET CORP COM 87612E106 1483 25443 SH SOLE 25383 60 0 TARGET CORP COM 87612E106 80 1365 SH DEFINED 1365 0 0 TEVA PHARMACEUTICAL ADR 881624209 639 14183 SH SOLE 13608 500 75 TEVA PHARMACEUTICAL ADR 881624209 115 2555 SH DEFINED 2555 0 0 3M COMPANY COM 88579Y101 2241 25125 SH SOLE 24620 505 0 3M COMPANY COM 88579Y101 126 1415 SH DEFINED 1415 0 0 US BANCORP DEL COM 902973304 1154 36422 SH SOLE 34372 1800 250 US BANCORP DEL COM 902973304 3 100 SH DEFINED 100 0 0 UNITED PARCEL SERVICE COM 911312106 522 6471 SH SOLE 6396 0 75 UNITED PARCEL SERVICE COM 911312106 91 1125 SH DEFINED 1125 0 0 UNITED TECHNOLOGIES CORP COM 913017109 4127 49759 SH SOLE 48959 800 0 UNITED TECHNOLOGIES CORP COM 913017109 436 5253 SH DEFINED 5253 0 0 VF CORP COM 918204108 1906 13060 SH SOLE 12725 235 100 VF CORP COM 918204108 261 1785 SH DEFINED 1785 0 0 VANGUARD INFO TECH ETF 92204A702 385 5185 SH SOLE 5185 0 0 VANGUARD INFO TECH ETF 92204A702 4 50 SH DEFINED 50 0 0 VANGUARD FTSE ALL WRLD EX-USETF 922042775 9162 207183 SH SOLE 203706 2912 565 VANGUARD FTSE ALL WRLD EX-USETF 922042775 164 3711 SH DEFINED 3711 0 0 VECTREN CORP COM 92240G101 2584 88951 SH SOLE 87351 1450 150 VECTREN CORP COM 92240G101 258 8893 SH DEFINED 8193 0 700 VANGUARD REIT INDEX ETF 922908553 6245 98115 SH SOLE 96829 1237 49 VANGUARD REIT INDEX ETF 922908553 216 3399 SH DEFINED 3399 0 0 VERIZON COMMUNICATIONS INC COM 92343V104 1808 47294 SH SOLE 46422 550 322 VERIZON COMMUNICATIONS INC COM 92343V104 164 4279 SH DEFINED 4279 0 0 WAL MART STORES INC COM 931142103 1572 25685 SH SOLE 25360 325 0 WAL MART STORES INC COM 931142103 214 3500 SH DEFINED 3500 0 0 WELLS FARGO & CO COM 949746101 316 9246 SH SOLE 9096 0 150 WELLS FARGO & CO COM 949746101 41 1200 SH DEFINED 0 0 1200 XYLEM INC COM 98419M100 1534 55287 SH SOLE 54192 970 125 XYLEM INC COM 98419M100 102 3670 SH DEFINED 3670 0 0 GRAND TOTALS 243760 4921336 4809726 69569 42041