UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                        ------------------------------

                                    FORM 13F

                        ------------------------------

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:  March 31, 2005

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, N.A.
Address:          200 EAST JACKSON STREET
                  MUNCIE, IN   47305

13F File Number:  28-2360

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:            Vice President
Phone:            (765) 747-1570

Signature, Place, and Date of Signing:

                  Terry Blaker          Muncie, IN         April 25, 2005

Report Type (Check only one.):

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


<PAGE>
                              FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:  None

Form 13F Information Table Entry Total: 219

Form 13F Information Table Value Total: $353,060,000


List of Other Included Managers:

None

<PAGE>
<TABLE>
<CAPTION>

                                                                  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
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
<S>                             <C>             <C>         <C>       <C>   <C> <C>  <C>       <C>         <C>       <C>      <C>
INGERSOLL RAND CL A             COM             G4776G101     6033    75750 SH       SOLE                    74600     1050      100
INGERSOLL RAND CL A             COM             G4776G101      290     3650 SH       DEFINED                  3650        0        0
ABBOTT LABS                     COM             002824100     3835    82288 SH       SOLE                    80938     1000      350
ABBOTT LABS                     COM             002824100      320     6875 SH       DEFINED                  6275        0      600
AFFILIATED COMPUTER SV CL A     COM             008190100     1041    19559 SH       SOLE                    19009      550        0
AFFILIATED COMPUTER SV CL A     COM             008190100       13      250 SH       DEFINED                   250        0        0
ALCOA INC                       COM             013817101     1690    55660 SH       SOLE                    54160     1500        0
ALCOA INC                       COM             013817101       80     2650 SH       DEFINED                  2650        0        0
ALLSTATE                        COM             020002101     2038    37715 SH       SOLE                    36215     1500        0
ALLSTATE                        COM             020002101       37      700 SH       DEFINED                   700        0        0
ALTRIA GROUP INC                COM             02209S103      304     4660 SH       SOLE                     4310      350        0
ALTRIA GROUP INC                COM             02209S103      235     3600 SH       DEFINED                  3600        0        0
AMERICAN INTERNATIONAL GRP      COM             026874107     6811   122953 SH       SOLE                   121553     1200      200
AMERICAN INTERNATIONAL GRP      COM             026874107      257     4640 SH       DEFINED                  4640        0        0
AMGEN INC                       COM             031162100     1723    29620 SH       SOLE                    28970      650        0
AMGEN INC                       COM             031162100       53      920 SH       DEFINED                   920        0        0
APACHE CORP                     COM             037411105      338     5526 SH       SOLE                     4976      550        0
APACHE CORP                     COM             037411105        4       75 SH       DEFINED                    75        0        0
AUTOMATIC DATA PROCESSING       COM             053015103     5370   119480 SH       SOLE                   118280     1000      200
AUTOMATIC DATA PROCESSING       COM             053015103       71     1600 SH       DEFINED                  1600        0        0
AVERY DENNISON CORP             COM             053611109     2622    42350 SH       SOLE                    41900      400       50
AVERY DENNISON CORP             COM             053611109       24      400 SH       DEFINED                   400        0        0
BP PLC - SPONS                  ADR             055622104     6771   108510 SH       SOLE                   107460     1050        0
BP PLC - SPONS                  ADR             055622104     1190    19075 SH       DEFINED                  6647      328    12100
BALL CORP                       COM             058498106     7916   190904 SH       SOLE                   190604      300        0
BANK OF AMERICA CORP NEW        COM             060505104     5647   128099 SH       SOLE                   126149     1550      400
BANK OF AMERICA CORP NEW        COM             060505104      196     4450 SH       DEFINED                  4050        0      400
BAXTER INTERNATIONAL INC        COM             071813109      622    18334 SH       SOLE                    17934      400        0
BAXTER INTERNATIONAL INC        COM             071813109       16      500 SH       DEFINED                   500        0        0
BELLSOUTH CORP                  COM             079860102     2294    87269 SH       SOLE                    87069        0      200
BELLSOUTH CORP                  COM             079860102      152     5800 SH       DEFINED                  4000        0     1800
BEST BUY COMPANY INC            COM             086516101      341     6325 SH       SOLE                     6325        0        0
BEST BUY COMPANY INC            COM             086516101       10      200 SH       DEFINED                   200        0        0
BRISTOL-MYERS SQUIBB            COM             110122108     2141    84145 SH       SOLE                    83845      100      200
BRISTOL-MYERS SQUIBB            COM             110122108      131     5150 SH       DEFINED                  5150        0        0
BURLINGTON RESOURCES            COM             122014103      366     7325 SH       SOLE                     6675      650        0
CATERPILLAR INC.                COM             149123101     1252    13694 SH       SOLE                    13644       50        0
CATERPILLAR INC.                COM             149123101       59      650 SH       DEFINED                   650        0        0
CHEVRON TEXACO CORP             COM             166764100     8725   149646 SH       SOLE                   146854     1650     1142
CHEVRON TEXACO CORP             COM             166764100      255     4385 SH       DEFINED                  4385        0        0
CISCO SYSTEMS                   COM             17275R102     1804   100917 SH       SOLE                    99617     1100      200
CISCO SYSTEMS                   COM             17275R102       45     2550 SH       DEFINED                  2550        0        0
CITIGROUP INC                   COM             172967101     2981    66350 SH       SOLE                    64117     1583      650
CITIGROUP INC                   COM             172967101      115     2575 SH       DEFINED                  2275        0      300
CLOROX CO                       COM             189054109      248     3951 SH       SOLE                     3951        0        0
CLOROX CO                       COM             189054109       44      700 SH       DEFINED                   700        0        0
COCA COLA CO                    COM             191216100     1774    42606 SH       SOLE                    42606        0        0
COCA COLA CO                    COM             191216100      120     2900 SH       DEFINED                  2900        0        0
COLGATE PALMOLIVE CO            COM             194162103     1420    27237 SH       SOLE                    26387      850        0
COLGATE PALMOLIVE CO            COM             194162103      114     2200 SH       DEFINED                   600        0     1600
CONOCOPHILLIPS                  COM             20825C104     2757    25568 SH       SOLE                    25018      550        0
CONOCOPHILLIPS                  COM             20825C104      172     1600 SH       DEFINED                  1600        0        0
DNP SELECT INCOME FUND                          23325P104     1431   133429 SH       SOLE                   128299     3230     1900
DNP SELECT INCOME FUND                          23325P104       22     2100 SH       DEFINED                  2100        0        0
DPL INC                         COM             233293109       22      900 SH       SOLE                      900        0        0
DPL INC                         COM             233293109      356    14275 SH       DEFINED                 14275        0        0
DANAHER CORP                    COM             235851102      362     6795 SH       SOLE                     6295      400      100
DANAHER CORP                    COM             235851102        5      100 SH       DEFINED                   100        0        0
DARDEN RESTAURANTS              COM             237194105     1041    33950 SH       SOLE                    33050      600      300
DARDEN RESTAURANTS              COM             237194105       65     2150 SH       DEFINED                  2150        0        0
DEERE & CO                      COM             244199105      847    12629 SH       SOLE                    12279      350        0
DEERE & CO                      COM             244199105      120     1800 SH       DEFINED                  1800        0        0
DELL INC                        COM             24702R101     2367    61632 SH       SOLE                    60207     1425        0
DELL INC                        COM             24702R101       72     1900 SH       DEFINED                  1900        0        0
DIAMOND HILL INVT GROUP         COM             25264R207      846    45805 SH       SOLE                    45805        0        0
DISNEY WALT COMPANY             COM             254687106     3278   114160 SH       SOLE                   113960        0      200
DISNEY WALT COMPANY             COM             254687106       34     1200 SH       DEFINED                  1200        0        0
DOVER CORP                      COM             260003108      890    23575 SH       SOLE                    22600      975        0
DOVER CORP                      COM             260003108        3      100 SH       DEFINED                   100        0        0
DOW CHEM CO                     COM             260543103     2888    57951 SH       SOLE                    57151      800        0
DOW CHEM CO                     COM             260543103       79     1600 SH       DEFINED                   700        0      900
DU PONT E I DE NEMOURS          COM             263534109     1158    22603 SH       SOLE                    22003      600        0
DU PONT E I DE NEMOURS          COM             263534109       40      800 SH       DEFINED                   800        0        0
EMERSON ELEC CO                 COM             291011104     5605    86326 SH       SOLE                    85776      500       50
EMERSON ELEC CO                 COM             291011104      331     5100 SH       DEFINED                  5100        0        0
EXXON MOBIL CORP                COM             30231G102    11583   194386 SH       SOLE                   191780     2342      264
EXXON MOBIL CORP                COM             30231G102      702    11791 SH       DEFINED                 10271      528      992
FPL GROUP INC                   COM             302571104     1248    31098 SH       SOLE                    27798     1300     2000
FPL GROUP INC                   COM             302571104       56     1400 SH       DEFINED                  1400        0        0
FANNIE MAE                      COM             313586109      632    11617 SH       SOLE                    11017      600        0
FANNIE MAE                      COM             313586109       16      300 SH       DEFINED                   300        0        0
FIFTH-THIRD BANCORP             COM             316773100     1288    29976 SH       SOLE                    27951      825     1200
FIFTH-THIRD BANCORP             COM             316773100        8      200 SH       DEFINED                   200        0        0
FIRST MERCHANTS CORP            COM             320817109    20229   781362 SH       SOLE                   729578    11313    40471
FIRST MERCHANTS CORP            COM             320817109     2836   109554 SH       DEFINED                108774        0      780
GANNETT COMPANY INC             COM             364730101     3346    42321 SH       SOLE                    41671      550      100
GANNETT COMPANY INC             COM             364730101       96     1225 SH       DEFINED                  1025        0      200
GENERAL ELEC CO                 COM             369604103    13968   387361 SH       SOLE                   382961     3500      900
GENERAL ELEC CO                 COM             369604103     1021    28340 SH       DEFINED                 22640        0     5700
GILLETTE CO                     COM             375766102      416     8250 SH       SOLE                     8250        0        0
GOLDEN WEST FINL CORP DEL       COM             381317106      290     4800 SH       SOLE                     4800        0        0
GOLDMAN SACHS GROUP             COM             38141G104      361     3290 SH       SOLE                     2790      500        0
GOLDMAN SACHS GROUP             COM             38141G104       21      200 SH       DEFINED                   200        0        0
HARSCO CORP                     COM             415864107      826    13870 SH       SOLE                    13870        0        0
HEINZ H J CO                    COM             423074103      239     6500 SH       SOLE                     6500        0        0
HERSHEY FOODS                   COM             427866108      217     3600 SH       SOLE                     3600        0        0
HEWLETT PACKARD CO              COM             428236103     2060    93948 SH       SOLE                    93748        0      200
HEWLETT PACKARD CO              COM             428236103      184     8400 SH       DEFINED                  8400        0        0
HOME DEPOT INC                  COM             437076102      925    24214 SH       SOLE                    23314      900        0
HOME DEPOT INC                  COM             437076102       32      850 SH       DEFINED                   850        0        0
HUNTINGTON BANCSHARES INC       COM             446150104       92     3866 SH       SOLE                     3866        0        0
HUNTINGTON BANCSHARES INC       COM             446150104      176     7391 SH       DEFINED                  7391        0        0
ILLINOIS TOOL WORKS INC         COM             452308109      476     5320 SH       SOLE                     5320        0        0
INTEL CORP                      COM             458140100     7297   314275 SH       SOLE                   309875     4400        0
INTEL CORP                      COM             458140100      441    19001 SH       DEFINED                 19001        0        0
INTL BUSINESS MACHINES CORP     COM             459200101     3916    42856 SH       SOLE                    42306      550        0
INTL BUSINESS MACHINES CORP     COM             459200101      142     1559 SH       DEFINED                  1559        0        0
RUSSELL 2000                    I SHARES        464287655     1512    12379 SH       SOLE                    11714      505      160
RUSSELL 2000                    I SHARES        464287655       60      497 SH       DEFINED                   497        0        0
J P MORGAN CHASE & CO           COM             46625H100     8582   248128 SH       SOLE                   247182      550      396
J P MORGAN CHASE & CO           COM             46625H100      533    15421 SH       DEFINED                 15421        0        0
JARDEN CORPORATION              COM             471109108      463    10095 SH       SOLE                    10095        0        0
JOHNSON & JOHNSON               COM             478160104    10225   152279 SH       SOLE                   150804     1475        0
JOHNSON & JOHNSON               COM             478160104      745    11100 SH       DEFINED                 10700        0      400
JOHNSON CTLS INC                COM             478366107     3003    53867 SH       SOLE                    52867      900      100
JOHNSON CTLS INC                COM             478366107      100     1800 SH       DEFINED                  1800        0        0
KELLOGG CO                      COM             487836108      318     7360 SH       SOLE                     7360        0        0
KIMBERLY CLARK CORP             COM             494368103     4342    66072 SH       SOLE                    65022      500      550
KIMBERLY CLARK CORP             COM             494368103       29      450 SH       DEFINED                   450        0        0
LILLY ELI & CO                  COM             532457108     7976   153128 SH       SOLE                   151048     1880      200
LILLY ELI & CO                  COM             532457108      492     9454 SH       DEFINED                  9454        0        0
LINCOLN NATL CORP IND           COM             534187109      226     5023 SH       SOLE                     4932       91        0
LINCOLN NATL CORP IND           COM             534187109       63     1400 SH       DEFINED                  1400        0        0
LOWE'S COMPANIES INC            COM             548661107     5446    95400 SH       SOLE                    93875     1525        0
LOWE'S COMPANIES INC            COM             548661107      126     2220 SH       DEFINED                  2220        0        0
MARSH SUPERMARKETS INC CL B     COM             571783208     1581   128018 SH       SOLE                   128018        0        0
MARSH SUPERMARKETS INC CL A     COM             571783307     3122   281324 SH       SOLE                   281324        0        0
MASCO CORP                      COM             574599106     2463    71075 SH       SOLE                    69500     1575        0
MASCO CORP                      COM             574599106      116     3375 SH       DEFINED                  3375        0        0
MCDONALDS CORP                  COM             580135101     1075    34535 SH       SOLE                    34335      200        0
MCDONALDS CORP                  COM             580135101      140     4500 SH       DEFINED                  4500        0        0
MCGRAW HILL COS INC             COM             580645109     2111    24195 SH       SOLE                    23795      400        0
MCGRAW HILL COS INC             COM             580645109       17      200 SH       DEFINED                   200        0        0
MEDTRONIC INCORPORATED          COM             585055106     2076    40762 SH       SOLE                    39662      900      200
MEDTRONIC INCORPORATED          COM             585055106       15      300 SH       DEFINED                   300        0        0
MERCK & CO INC                  COM             589331107      748    23120 SH       SOLE                    22520        0      600
MERCK & CO INC                  COM             589331107       16      499 SH       DEFINED                   499        0        0
MERRILL LYNCH & CO INC          COM             590188108     1225    21655 SH       SOLE                    21655        0        0
MERRILL LYNCH & CO INC          COM             590188108       39      700 SH       DEFINED                   700        0        0
MICROSOFT CORPORATION           COM             594918104     6639   274807 SH       SOLE                   271807     2850      150
MICROSOFT CORPORATION           COM             594918104      327    13550 SH       DEFINED                 13550        0        0
S&P MIDCAP 400 SPDR                             595635103     1907    15844 SH       SOLE                    15077      595      172
S&P MIDCAP 400 SPDR                             595635103       76      633 SH       DEFINED                   633        0        0
MORGAN STANLEY DEAN WITTER      COM             617446448     1355    23678 SH       SOLE                    22628     1050        0
MORGAN STANLEY DEAN WITTER      COM             617446448        5      100 SH       DEFINED                   100        0        0
NATIONAL CITY CORP              COM             635405103     1889    56402 SH       SOLE                    26402        0    30000
NEWELL RUBBERMAID INC           COM             651229106      244    11130 SH       SOLE                    11030      100        0
NEWELL RUBBERMAID INC           COM             651229106       15      700 SH       DEFINED                   700        0        0
NORTHROP GRUMMAN CORP           COM             666807102     1599    29643 SH       SOLE                    29643        0        0
NUVEEN MUN VALUE FD INC         COM             670928100      113    12333          SOLE                    12333        0        0
OLD NATIONAL BANCORP            COM             680033107     1311    64650 SH       SOLE                    64650        0        0
OLD NATIONAL BANCORP            COM             680033107      110     5448 SH       DEFINED                  5448        0        0
OMNICOM GROUP INC               COM             681919106      566     6401 SH       SOLE                     5951      350      100
OMNICOM GROUP INC               COM             681919106       42      475 SH       DEFINED                   475        0        0
PEPSICO INC                     COM             713448108     7298   137656 SH       SOLE                   136156     1300      200
PEPSICO INC                     COM             713448108      467     8815 SH       DEFINED                  8815        0        0
PFIZER INC                      COM             717081103     2638   100443 SH       SOLE                    96943     1900     1600
PFIZER INC                      COM             717081103      119     4530 SH       DEFINED                  3330     1200        0
PITNEY BOWES INC                COM             724479100      688    15269 SH       SOLE                    15269        0        0
PITNEY BOWES INC                COM             724479100       27      600 SH       DEFINED                   600        0        0
PRICE T ROWE GROUP INC          COM             74144T108      296     5000 SH       SOLE                     5000        0        0
PRICE T ROWE GROUP INC          COM             74144T108       11      200 SH       DEFINED                   200        0        0
PROCTER & GAMBLE CO             COM             742718109     5879   110939 SH       SOLE                   109639     1100      200
PROCTER & GAMBLE CO             COM             742718109      275     5200 SH       DEFINED                  2200        0     3000
PRUDENTIAL FINANCIAL            COM             744320102      178     3115 SH       SOLE                     2166      949        0
PRUDENTIAL FINANCIAL            COM             744320102       48      850 SH       DEFINED                   850        0        0
REGIONS FINANCIAL CORP          COM             7591EP100        5      182 SH       SOLE                      182        0        0
REGIONS FINANCIAL CORP          COM             7591EP100      356    11000 SH       DEFINED                 11000        0        0
SBC COMMUNICATIONS INC          COM             78387G103     1919    81075 SH       SOLE                    80975        0      100
SBC COMMUNICATIONS INC          COM             78387G103       75     3200 SH       DEFINED                  2200        0     1000
S&P 500 INDEX                                   78462F103      898     7620 SH       SOLE                     7620        0        0
SARA LEE CORP                   COM             803111103     3379   152584 SH       SOLE                   151184     1400        0
SARA LEE CORP                   COM             803111103      148     6700 SH       DEFINED                  6700        0        0
SCHLUMBERGER LTD                COM             806857108     3327    47215 SH       SOLE                    46940      175      100
SCHLUMBERGER LTD                COM             806857108      130     1850 SH       DEFINED                  1850        0        0
SECTOR SPDR HEALTH CARE         COM             81369Y209      486    16290 SH       SOLE                    15900      390        0
SOUTHERN CO                     COM             842587107     2032    63865 SH       SOLE                    60815      350     2700
SOUTHERN CO                     COM             842587107      101     3200 SH       DEFINED                  3200        0        0
STAPLES INC                     COM             855030102     1766    56200 SH       SOLE                    54900     1100      200
STAPLES INC                     COM             855030102       69     2200 SH       DEFINED                  2200        0        0
STRYKER CORP                    COM             863667101      736    16519 SH       SOLE                    16119      400        0
STRYKER CORP                    COM             863667101        8      200 SH       DEFINED                   200        0        0
SUNGARD DATA SYSTEMS INC        COM             867363103     1853    53730 SH       SOLE                    51530     2200        0
SUNGARD DATA SYSTEMS INC        COM             867363103       31      900 SH       DEFINED                   900        0        0
SYSCO CORP                      COM             871829107     7177   200542 SH       SOLE                   197392     2650      500
SYSCO CORP                      COM             871829107      282     7900 SH       DEFINED                  7900        0        0
TARGET CORP                     COM             87612E106     3487    69725 SH       SOLE                    68575      950      200
TARGET CORP                     COM             87612E106      100     2000 SH       DEFINED                  2000        0        0
TEXAS INSTRS INC                COM             882508104      215     8451 SH       SOLE                     8451        0        0
TEXAS INSTRS INC                COM             882508104       20      800 SH       DEFINED                   800        0        0
3M COMPANY                      COM             88579Y101     1805    21072 SH       SOLE                    21022       50        0
3M COMPANY                      COM             88579Y101      224     2625 SH       DEFINED                   425        0     2200
US BANCORP DEL                  COM             902973304     1919    66613 SH       SOLE                    62963     2200     1450
US BANCORP DEL                  COM             902973304       43     1500 SH       DEFINED                  1500        0        0
UNITED PARCEL SERVICE           COM             911312106      572     7874 SH       SOLE                     7874        0        0
UNITED PARCEL SERVICE           COM             911312106       29      400 SH       DEFINED                   400        0        0
UNITED TECHNOLOGIES CORP        COM             913017109     9320    91679 SH       SOLE                    90579      950      150
UNITED TECHNOLOGIES CORP        COM             913017109      182     1800 SH       DEFINED                  1800        0        0
UNITEDHEALTH GROUP INC          COM             91324P102      811     8507 SH       SOLE                     8357      150        0
UNITRIN INC                     COM             913275103      227     5000 SH       SOLE                     5000        0        0
VECTREN CORP                    COM             92240G101     2562    96227 SH       SOLE                    91188     2839     2200
VECTREN CORP                    COM             92240G101      165     6232 SH       DEFINED                  5167        0     1065
VERIZON COMMUNICATIONS INC      COM             92343V104     4122   116127 SH       SOLE                   113952     1975      200
VERIZON COMMUNICATIONS INC      COM             92343V104      222     6276 SH       DEFINED                  5910      366        0
WACHOVIA CORP 2ND NEW           COM             929903102     2898    56940 SH       SOLE                    55434     1356      150
WACHOVIA CORP 2ND NEW           COM             929903102      227     4467 SH       DEFINED                  4467        0        0
WAL MART STORES INC             COM             931142103     5705   113858 SH       SOLE                   112408     1450        0
WAL MART STORES INC             COM             931142103      318     6350 SH       DEFINED                  6350        0        0
WALGREEN COMPANY                COM             931422109      706    15914 SH       SOLE                    15814      100        0
WALGREEN COMPANY                COM             931422109       31      700 SH       DEFINED                   700        0        0
WASHINGTON MUTUAL INC           COM             939322103      920    23299 SH       SOLE                    22749      550        0
WASHINGTON MUTUAL INC           COM             939322103       59     1500 SH       DEFINED                   900        0      600
WELLPOINT INC                   COM             94973V107      358     2862 SH       SOLE                     1916      946        0
WELLS FARGO & CO  (NEW)         COM             949746101     6899   115390 SH       SOLE                   114290      900      200
WELLS FARGO & CO  (NEW)         COM             949746101      915    15306 SH       DEFINED                 14706        0      600
WEYERHAEUSER CO                 COM             962166104     4478    65381 SH       SOLE                    64756      625        0
WEYERHAEUSER CO                 COM             962166104       78     1150 SH       DEFINED                  1150        0        0
WYETH                           COM             983024100     5567   131994 SH       SOLE                   131794        0      200
WYETH                           COM             983024100      122     2900 SH       DEFINED                   500        0     2400

 GRAND TOTALS                                               353060  8751170                                8518112   102066   130992

</TABLE>