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:  September 30, 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         October 08, 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: 229 Form 13F Information Table Value Total: $253,188,000.00 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 2789 39833 SH SOLE 39393 340 100 ACCENTURE PLC ADR G1151C101 286 4080 SH DEFINED 4080 0 0 COVIDIEN ADR G2554F113 1174 19752 SH SOLE 19302 450 0 COVIDIEN ADR G2554F113 136 2294 SH DEFINED 2294 0 0 NOBLE CORPORATION COM H5833N103 1335 37310 SH SOLE 36765 445 100 NOBLE CORPORATION COM H5833N103 70 1971 SH DEFINED 1971 0 0 TRANSOCEAN LTD COM H8817H100 400 8907 SH SOLE 8628 279 0 TRANSOCEAN LTD COM H8817H100 21 458 SH DEFINED 458 0 0 AT&T INC COM 00206R102 4018 106585 SH SOLE 105228 1025 332 AT&T INC COM 00206R102 245 6496 SH DEFINED 6496 0 0 ABBOTT LABS COM 002824100 3220 46970 SH SOLE 45920 750 300 ABBOTT LABS COM 002824100 355 5175 SH DEFINED 5175 0 0 ADOBE SYSTEMS INC COM 00724F101 1028 31690 SH SOLE 30940 750 0 ADOBE SYSTEMS INC COM 00724F101 76 2339 SH DEFINED 2339 0 0 ALLIANT CORP COM 018802108 2010 46346 SH SOLE 45396 950 0 ALLIANT CORP COM 018802108 231 5321 SH DEFINED 5321 0 0 APACHE CORP COM 037411105 1668 19291 SH SOLE 18836 405 50 APACHE CORP COM 037411105 103 1190 SH DEFINED 1190 0 0 APPLE COMPUTER INC COM 037833100 91 136 SH SOLE 136 0 0 APPLE COMPUTER INC COM 037833100 544 816 SH DEFINED 816 0 0 AUTOMATIC DATA PROCESSING COM 053015103 3535 60267 SH SOLE 59192 875 200 AUTOMATIC DATA PROCESSING COM 053015103 374 6375 SH DEFINED 6375 0 0 BB & T CORPORATION COM 054937107 564 17011 SH SOLE 17011 0 0 BB & T CORPORATION COM 054937107 20 612 SH DEFINED 612 0 0 BAKER HUGHES INC COM 057224107 1549 34259 SH SOLE 33599 660 0 BAKER HUGHES INC COM 057224107 132 2930 SH DEFINED 2930 0 0 BALL CORP COM 058498106 6878 162560 SH SOLE 162560 0 0 BALL CORP COM 058498106 17 400 SH DEFINED 400 0 0 BANK OF NEW YORK MELLON CORPCOM 064058100 812 35929 SH SOLE 34854 975 100 BANK OF NEW YORK MELLON CORPCOM 064058100 24 1050 SH DEFINED 1050 0 0 BAXTER INTERNATIONAL INC COM 071813109 2288 37958 SH SOLE 37188 740 30 BAXTER INTERNATIONAL INC COM 071813109 243 4030 SH DEFINED 4030 0 0 BECTON DICKINSON & CO COM 075887109 2122 27011 SH SOLE 26521 460 30 BECTON DICKINSON & CO COM 075887109 196 2493 SH DEFINED 2493 0 0 BED BATH & BEYOND COM 075896100 1342 21299 SH SOLE 20799 500 0 BED BATH & BEYOND COM 075896100 110 1740 SH DEFINED 1740 0 0 BRISTOL-MYERS SQUIBB COM 110122108 743 22000 SH SOLE 22000 0 0 BRISTOL-MYERS SQUIBB COM 110122108 108 3200 SH DEFINED 2200 0 1000 BUCKLE INC COM 118440106 1594 35088 SH SOLE 34628 460 0 BUCKLE INC COM 118440106 100 2212 SH DEFINED 2212 0 0 CAMPBELL SOUP COM 134429109 371 10656 SH SOLE 10656 0 0 CAREFUSION CORP COM 14170T101 264 9302 SH SOLE 9302 0 0 CATERPILLAR INC. COM 149123101 303 3525 SH SOLE 3425 25 75 CATERPILLAR INC. COM 149123101 22 256 SH DEFINED 256 0 0 CHEVRON CORP COM 166764100 5182 44459 SH SOLE 43359 600 500 CHEVRON CORP COM 166764100 609 5225 SH DEFINED 4225 0 1000 CHUBB CORP COM 171232101 2856 37444 SH SOLE 36754 640 50 CHUBB CORP COM 171232101 364 4772 SH DEFINED 4772 0 0 CISCO SYSTEMS COM 17275R102 1810 94818 SH SOLE 92768 1750 300 CISCO SYSTEMS COM 17275R102 151 7885 SH DEFINED 7885 0 0 COCA COLA CO COM 191216100 1361 35872 SH SOLE 35872 0 0 COCA COLA CO COM 191216100 220 5800 SH DEFINED 5800 0 0 COLGATE PALMOLIVE CO COM 194162103 1884 17573 SH SOLE 17173 400 0 COLGATE PALMOLIVE CO COM 194162103 72 670 SH DEFINED 670 0 0 CONOCOPHILLIPS COM 20825C104 1235 21592 SH SOLE 20842 750 0 CONOCOPHILLIPS COM 20825C104 382 6685 SH DEFINED 5685 0 1000 CULLEN FROST BANKERS COM 229899109 1406 24483 SH SOLE 23933 500 50 CULLEN FROST BANKERS COM 229899109 159 2765 SH DEFINED 2765 0 0 DANAHER CORP COM 235851102 1382 25051 SH SOLE 24401 650 0 DANAHER CORP COM 235851102 39 700 SH DEFINED 700 0 0 DEERE & CO COM 244199105 202 2450 SH SOLE 2450 0 0 DEERE & CO COM 244199105 287 3475 SH DEFINED 3475 0 0 DISNEY WALT COMPANY COM 254687106 1044 19983 SH SOLE 19873 110 0 DISNEY WALT COMPANY COM 254687106 196 3745 SH DEFINED 3745 0 0 DONALDSON INC COM 257651109 813 23440 SH SOLE 22360 1000 80 DONALDSON INC COM 257651109 111 3200 SH DEFINED 3200 0 0 DU PONT E I DE NEMOURS COM 263534109 1153 22935 SH SOLE 22535 400 0 DU PONT E I DE NEMOURS COM 263534109 69 1382 SH DEFINED 1382 0 0 EMC CORPORATION COM 268648102 987 36191 SH SOLE 35691 500 0 EMC CORPORATION COM 268648102 73 2681 SH DEFINED 2681 0 0 EOG RESOURCES INC COM 26875P101 337 3009 SH SOLE 2984 25 0 EOG RESOURCES INC COM 26875P101 15 131 SH DEFINED 131 0 0 ECOLAB INC COM 278865100 1254 19347 SH SOLE 18772 500 75 ECOLAB INC COM 278865100 152 2350 SH DEFINED 2350 0 0 EMERSON ELEC CO COM 291011104 1836 38030 SH SOLE 37380 550 100 EMERSON ELEC CO COM 291011104 362 7499 SH DEFINED 5499 0 2000 EXXON MOBIL CORP COM 30231G102 7946 86893 SH SOLE 85913 805 175 EXXON MOBIL CORP COM 30231G102 704 7703 SH DEFINED 5647 0 2056 FLIR CORPORATION COM 302445101 542 27164 SH SOLE 27039 125 0 FLIR CORPORATION COM 302445101 14 697 SH DEFINED 697 0 0 FIRST MERCHANTS CORP COM 320817109 1255 83638 SH SOLE 79929 3709 0 FIRST MERCHANTS CORP COM 320817109 363 24162 SH DEFINED 24162 0 0 FLOWERS FOOD INC COM 343498101 1316 65196 SH SOLE 64021 1175 0 FLOWERS FOOD INC COM 343498101 132 6517 SH DEFINED 6517 0 0 GENERAL ELECTRIC CO COM 369604103 1859 81875 SH SOLE 78425 1850 1600 GENERAL ELECTRIC CO COM 369604103 227 10000 SH DEFINED 9000 0 1000 GRACO INC COM 384109104 1139 22658 SH SOLE 22058 500 100 GRACO INC COM 384109104 64 1266 SH DEFINED 1266 0 0 HCC INSURANCE HLDGS COM 404132102 1632 48180 SH SOLE 47400 780 0 HCC INSURANCE HLDGS COM 404132102 134 3965 SH DEFINED 3965 0 0 HARRIS CORP DEL COM 413875105 2742 53532 SH SOLE 52747 685 100 HARRIS CORP DEL COM 413875105 211 4125 SH DEFINED 4125 0 0 JACK HENRY & ASSOCIATES COM 426281101 1792 47369 SH SOLE 47304 65 0 JACK HENRY & ASSOCIATES COM 426281101 133 3510 SH DEFINED 3510 0 0 HORMEL FOODS CORP COM 440452100 759 25970 SH SOLE 25970 0 0 HORMEL FOODS CORP COM 440452100 20 700 SH DEFINED 700 0 0 INTEL CORP COM 458140100 1358 59940 SH SOLE 57640 1500 800 INTEL CORP COM 458140100 239 10530 SH DEFINED 9530 0 1000 INTL BUSINESS MACHINES CORP COM 459200101 2122 10231 SH SOLE 9976 175 80 INTL BUSINESS MACHINES CORP COM 459200101 36 175 SH DEFINED 175 0 0 NASDAQ BIOTECH INDEX ETF ISHARES 464287556 1375 9642 SH SOLE 9217 325 100 NASDAQ BIOTECH INDEX ETF ISHARES 464287556 203 1425 SH DEFINED 1425 0 0 S&P MID-CAP 400 GROWTH ETF ISHARES 464287606 10174 90869 SH SOLE 90144 725 0 S&P MID-CAP 400 GROWTH ETF ISHARES 464287606 473 4228 SH DEFINED 4228 0 0 RUSSELL 2000 INDEX ETF ISHARES 464287655 1011 12122 SH SOLE 11702 420 0 RUSSELL 2000 INDEX ETF ISHARES 464287655 24 285 SH DEFINED 285 0 0 S&P MID-CAP 400 VALUE ETF ISHARES 464287705 10386 122175 SH SOLE 121527 504 144 S&P MID-CAP 400 VALUE ETF ISHARES 464287705 505 5935 SH DEFINED 5935 0 0 S&P SMALL CAP 600 ETF ISHARES 464287804 3379 43846 SH SOLE 42730 860 256 S&P SMALL CAP 600 ETF ISHARES 464287804 105 1360 SH DEFINED 1360 0 0 S&P SMALL CAP 600 VALUE ETF ISHARES 464287879 5513 69789 SH SOLE 69196 593 0 S&P SMALL CAP 600 VALUE ETF ISHARES 464287879 115 1457 SH DEFINED 1457 0 0 S&P SMALL CAP 600 GROWTH ETF ISHARES 464287887 5939 71033 SH SOLE 70784 249 0 S&P SMALL CAP 600 GROWTH ETF ISHARES 464287887 117 1405 SH DEFINED 1405 0 0 BARCLAYS MBS BOND FUND ETF ISHARES 464288588 319 2920 SH SOLE 2920 0 0 J P MORGAN CHASE & CO COM 46625H100 3208 79257 SH SOLE 78807 100 350 J P MORGAN CHASE & CO COM 46625H100 436 10775 SH DEFINED 10775 0 0 JARDEN CORPORATION COM 471109108 76 1434 SH SOLE 1434 0 0 JARDEN CORPORATION COM 471109108 238 4500 SH DEFINED 4500 0 0 JOHNSON & JOHNSON COM 478160104 3167 45962 SH SOLE 45312 600 50 JOHNSON & JOHNSON COM 478160104 382 5543 SH DEFINED 3143 0 2400 KELLOGG CO COM 487836108 228 4420 SH SOLE 4420 0 0 KIMBERLY CLARK CORP COM 494368103 1820 21219 SH SOLE 20619 500 100 KIMBERLY CLARK CORP COM 494368103 521 6075 SH DEFINED 5075 0 1000 KOHL'S CORP COM 500255104 2365 46174 SH SOLE 45144 900 130 KOHL'S CORP COM 500255104 213 4160 SH DEFINED 4160 0 0 LABORATORY CORP COM 50540R409 245 2645 SH SOLE 2570 25 50 LABORATORY CORP COM 50540R409 21 225 SH DEFINED 225 0 0 LILLY ELI & CO COM 532457108 1374 28997 SH SOLE 28897 0 100 LILLY ELI & CO COM 532457108 18 375 SH DEFINED 375 0 0 LORILLARD INC COM 544147101 233 2000 SH DEFINED 1000 0 1000 LOWE'S COMPANIES INC COM 548661107 1009 33375 SH SOLE 32525 800 50 LOWE'S COMPANIES INC COM 548661107 243 8025 SH DEFINED 8025 0 0 MDU RES GROUP INC COM 552690109 2031 92180 SH SOLE 90405 1675 100 MDU RES GROUP INC COM 552690109 181 8210 SH DEFINED 8210 0 0 MASCO CORP COM 574599106 181 12050 SH SOLE 12050 0 0 MASCO CORP COM 574599106 3 200 SH DEFINED 200 0 0 MCDONALDS CORP COM 580135101 275 2995 SH SOLE 2995 0 0 MCDONALDS CORP COM 580135101 73 800 SH DEFINED 800 0 0 MEDTRONIC INCORPORATED COM 585055106 930 21567 SH SOLE 20542 825 200 MEDTRONIC INCORPORATED COM 585055106 34 800 SH DEFINED 800 0 0 MERCK & CO INC COM 58933Y105 253 5600 SH SOLE 5600 0 0 MERCK & CO INC COM 58933Y105 45 1000 SH DEFINED 400 0 600 MICROSOFT CORPORATION COM 594918104 2549 85688 SH SOLE 83738 1550 400 MICROSOFT CORPORATION COM 594918104 352 11832 SH DEFINED 10832 0 1000 MICROCHIP TECHNOLOGY COM 595017104 2415 73794 SH SOLE 72189 1405 200 MICROCHIP TECHNOLOGY COM 595017104 287 8755 SH DEFINED 7755 0 1000 NATIONAL OILWELL VARCO COM 637071101 875 10921 SH SOLE 10886 35 0 NATIONAL OILWELL VARCO COM 637071101 38 475 SH DEFINED 475 0 0 NEXTERA ENERGY INC COM 65339F101 543 7725 SH SOLE 7675 50 0 NEXTERA ENERGY INC COM 65339F101 316 4500 SH DEFINED 2500 0 2000 NORTHERN TR CORP COM 665859104 1597 34422 SH SOLE 33587 710 125 NORTHERN TR CORP COM 665859104 134 2885 SH DEFINED 2885 0 0 NOVARTIS A G SPONSORED ADR 66987V109 670 10945 SH SOLE 10730 90 125 NOVARTIS A G SPONSORED ADR 66987V109 120 1965 SH DEFINED 1965 0 0 NUCOR CORP COM 670346105 1070 27974 SH SOLE 27334 475 165 NUCOR CORP COM 670346105 133 3480 SH DEFINED 2480 0 1000 NVIDIA CORP COM 67066G104 750 56229 SH SOLE 54629 1600 0 NVIDIA CORP COM 67066G104 92 6920 SH DEFINED 6920 0 0 OLD NATIONAL BANCORP COM 680033107 193 14208 SH SOLE 14208 0 0 OMNICOM GROUP INC COM 681919106 1221 23683 SH SOLE 23108 575 0 OMNICOM GROUP INC COM 681919106 108 2100 SH DEFINED 2100 0 0 ORACLE CORP COM 68389X105 1024 32567 SH SOLE 31467 1000 100 ORACLE CORP COM 68389X105 82 2592 SH DEFINED 2592 0 0 OWENS & MINOR INC COM 690732102 1182 39552 SH SOLE 38767 785 0 OWENS & MINOR INC COM 690732102 92 3075 SH DEFINED 3075 0 0 PEOPLE'S UNITED FINANCIAL COM 712704105 1103 90819 SH SOLE 88669 1950 200 PEOPLE'S UNITED FINANCIAL COM 712704105 91 7470 SH DEFINED 7470 0 0 PEPSICO INC COM 713448108 3009 42516 SH SOLE 41731 785 0 PEPSICO INC COM 713448108 232 3280 SH DEFINED 2280 0 1000 PFIZER INC COM 717081103 596 23988 SH SOLE 23690 0 298 PFIZER INC COM 717081103 50 2000 SH DEFINED 1000 0 1000 PHILLIP MORRIS INTL INC COM 718172109 108 1200 SH SOLE 1200 0 0 PHILLIP MORRIS INTL INC COM 718172109 384 4275 SH DEFINED 1775 0 2500 T. ROWE PRICE GROUP INC COM 74144T108 1938 30614 SH SOLE 30389 225 0 T. ROWE PRICE GROUP INC COM 74144T108 111 1747 SH DEFINED 1747 0 0 PROCTER & GAMBLE CO COM 742718109 4722 68074 SH SOLE 67074 900 100 PROCTER & GAMBLE CO COM 742718109 465 6706 SH DEFINED 6706 0 0 QUALCOMM INCORPORATED COM 747525103 1010 16174 SH SOLE 15934 240 0 QUALCOMM INCORPORATED COM 747525103 79 1258 SH DEFINED 1258 0 0 S&P 500 ETF SPDR 78462F103 1091 7580 SH SOLE 7580 0 0 MSCI ACWI EX-US ETF SPDR 78463X848 2531 83430 SH SOLE 83430 0 0 S&P 400 MID-CAP ETF SPDR 78467Y107 7736 42996 SH SOLE 42200 587 209 S&P 400 MID-CAP ETF SPDR 78467Y107 345 1919 SH DEFINED 1919 0 0 SCHLUMBERGER LTD COM 806857108 3142 43438 SH SOLE 42533 630 275 SCHLUMBERGER LTD COM 806857108 328 4530 SH DEFINED 4530 0 0 MATERIALS SECTOR ETF SPDR 81369Y100 996 27077 SH SOLE 26457 570 50 MATERIALS SECTOR ETF SPDR 81369Y100 98 2652 SH DEFINED 2652 0 0 HEALTHCARE SECTOR ETF SPDR 81369Y209 287 7151 SH SOLE 7151 0 0 HEALTHCARE SECTOR ETF SPDR 81369Y209 3 65 SH DEFINED 65 0 0 CONSUMER STAPLES SECTOR ETF SPDR 81369Y308 550 15365 SH SOLE 15365 0 0 CONSUMER STAPLES SECTOR ETF SPDR 81369Y308 5 150 SH DEFINED 150 0 0 CONSUMER DISCRETION SECTOR ETF SPDR 81369Y407 275 5871 SH SOLE 5871 0 0 CONSUMER DISCRETION SECTOR ETF SPDR 81369Y407 3 55 SH DEFINED 55 0 0 THE J.M. SMUCKER COMPANY COM 832696405 2706 31343 SH SOLE 30853 490 0 THE J.M. SMUCKER COMPANY COM 832696405 269 3111 SH DEFINED 3111 0 0 SOUTHERN CO COM 842587107 419 9100 SH SOLE 8600 300 200 SOUTHERN CO COM 842587107 108 2350 SH DEFINED 1350 0 1000 STRYKER CORP COM 863667101 1822 32742 SH SOLE 31992 750 0 STRYKER CORP COM 863667101 145 2607 SH DEFINED 2607 0 0 SYSCO CORP COM 871829107 2853 91225 SH SOLE 89645 1480 100 SYSCO CORP COM 871829107 338 10823 SH DEFINED 10823 0 0 TARGET CORP COM 87612E106 1624 25591 SH SOLE 25531 60 0 TARGET CORP COM 87612E106 90 1415 SH DEFINED 1415 0 0 TEVA PHARMACEUTICAL ADR 881624209 330 7968 SH SOLE 7393 500 75 TEVA PHARMACEUTICAL ADR 881624209 89 2140 SH DEFINED 2140 0 0 3M COMPANY COM 88579Y101 1946 21055 SH SOLE 20550 505 0 3M COMPANY COM 88579Y101 131 1415 SH DEFINED 1415 0 0 US BANCORP DEL COM 902973304 1107 32288 SH SOLE 30238 1800 250 US BANCORP DEL COM 902973304 3 100 SH DEFINED 100 0 0 UNITED PARCEL SERVICE COM 911312106 460 6431 SH SOLE 6356 0 75 UNITED PARCEL SERVICE COM 911312106 95 1325 SH DEFINED 1325 0 0 UNITED TECHNOLOGIES CORP COM 913017109 3582 45753 SH SOLE 44968 785 0 UNITED TECHNOLOGIES CORP COM 913017109 378 4833 SH DEFINED 4833 0 0 VF CORP COM 918204108 2020 12675 SH SOLE 12340 235 100 VF CORP COM 918204108 261 1635 SH DEFINED 1635 0 0 VANGUARD TOTAL BOND MKT INDXETF 921937835 3048 35800 SH SOLE 35800 0 0 VANGUARD FTSE ALL WRLD EX-USETF 922042775 8418 195993 SH SOLE 192691 2787 515 VANGUARD FTSE ALL WRLD EX-USETF 922042775 137 3201 SH DEFINED 3201 0 0 VECTREN CORP COM 92240G101 2567 89776 SH SOLE 88191 1435 150 VECTREN CORP COM 92240G101 257 8988 SH DEFINED 8288 0 700 VANGUARD REIT INDEX ETF 922908553 7500 115464 SH SOLE 114178 1237 49 VANGUARD REIT INDEX ETF 922908553 252 3878 SH DEFINED 3878 0 0 VERIZON COMMUNICATIONS INC COM 92343V104 2124 46625 SH SOLE 45753 550 322 VERIZON COMMUNICATIONS INC COM 92343V104 195 4279 SH DEFINED 4279 0 0 WAL MART STORES INC COM 931142103 1646 22302 SH SOLE 21977 325 0 WAL MART STORES INC COM 931142103 255 3450 SH DEFINED 3450 0 0 XYLEM INC COM 98419M100 1098 43662 SH SOLE 42567 970 125 XYLEM INC COM 98419M100 90 3590 SH DEFINED 3590 0 0 GRAND TOTALS 253188 4923435 4819709 67305 36421