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, 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 Commonwealth Financial Corporation
Address: 22 North Sixth Street
         Indiana, PA, 15701

Form 13F File Number: 28-05151

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 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:  Teresa M. Ciambotti
Title: Senior Vice President and Controller
Phone: (724) 463-4725

Signature, Place, and Date of Signing:


/s/ Teresa M. Ciambotti
Teresa M. Ciambotti,             Indiana, PA,   May 14, 2012

Report Type (check only one):

[x]  13F HOLDINGS REPORT (Check here if all holdings of this reporting manager
     are reported in this report)

[ ]  13F NOTICE (Check here if no holdings reported are in this report, and all
     holdings are reported by other reporting manager(s))

[ ]  13F COMBINATION REPORT (Check here if a portion of the holdings for this
     reporting manager are reported in this report and a portion are reported by
     other reporting manager(s).)




                             Form 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers: 1

Form 13F Information Table Entry Total: 167

Form 13F Information Table Value Total: $83,845 (thousands)

List of Other Included Managers:

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

Number: 1

Form 13F File Number: 28-11893

Name: First Commonwealth Bank




                           FORM 13F INFORMATION TABLE



       COLUMN 1               COL 2   COL 3     COL 4       COLUMN 5         COL 6     COL 7        COLUMN 8
---------------------------- ------ --------- -------- ------------------ ---------- -------- --------------------
                              TITLE            MARKET
                               OF               VALUE    SHS OR  SH/ PUT/ INVESTMENT   OTHER    VOTING AUTHORITY
ISSUER                        CLASS   CUSIP   (X$1000)  PRN AMT  PRN CALL DISCRETION MANAGERS   SOLE  SHARED  NONE
---------------------------- ------ --------- -------- --------- --- ---- ---------- -------- ------- ------ -----
                                                                            
3M CO                        COMMON 88579Y101      748     8,385 SH       DEFINED           1   7,435          950
3M CO                        COMMON 88579Y101       18       200 SH       OTHER             1     200
ABBOTT LABS                  COMMON 002824100    1,018    16,603 SH       DEFINED           1  15,490        1,113
ABBOTT LABS                  COMMON 002824100       69     1,130 SH       OTHER             1   1,130
AIR PRODS & CHEMS INC        COMMON 009158106      797     8,677 SH       DEFINED           1   8,677
AIR PRODS & CHEMS INC        COMMON 009158106       45       492 SH       OTHER             1     492
ALLSTATE CORP                COMMON 020002101      254     7,712 SH       DEFINED           1   7,712
ALLSTATE CORP                COMMON 020002101       21       634 SH       OTHER             1     634
ALTRIA GROUP INC             COMMON 02209S103      779    25,247 SH       DEFINED           1  25,028          219
ALTRIA GROUP INC             COMMON 02209S103       95     3,085 SH       OTHER             1   3,085
APACHE CORP                  COMMON 037411105      793     7,897 SH       DEFINED           1   7,377          520
APACHE CORP                  COMMON 037411105      102     1,019 SH       OTHER             1     495    524
APPLE INC                    COMMON 037833100    2,499     4,168 SH       DEFINED           1   4,010          158
APPLE INC                    COMMON 037833100      149       249 SH       OTHER             1     249
AT&T INC                     COMMON 00206R102    1,751    56,062 SH       DEFINED           1  53,526        2,536
AT&T INC                     COMMON 00206R102       76     2,447 SH       OTHER             1   2,147    300
BANK OF NEW YORK MELLON CORP COMMON  64058100      211     8,741 SH       DEFINED           1   5,666        3,075
BANK OF NEW YORK MELLON CORP COMMON  64058100       26     1,072 SH       OTHER             1   1,072
BECTON DICKINSON & CO        COMMON  75887109      698     8,989 SH       DEFINED           1   8,989
BECTON DICKINSON & CO        COMMON  75887109       67       869 SH       OTHER             1     869
BOEING CO                    COMMON  97023105      690     9,279 SH       DEFINED           1   9,279
BOEING CO                    COMMON  97023105       59       795 SH       OTHER             1     571    224
BP PLC                       COMMON  55622104      320     7,114 SH       DEFINED           1   7,114
BP PLC                       COMMON  55622104       35       775 SH       OTHER             1     775
BROWN FORMAN CORP            COMMON 115637209      213     2,553 SH       DEFINED           1   2,553
CATERPILLAR INC DEL          COMMON 149123101    1,181    11,091 SH       DEFINED           1  11,091
CATERPILLAR INC DEL          COMMON 149123101      111     1,040 SH       OTHER             1   1,040
CHEVRON CORP NEW             COMMON 166764100    1,202    11,216 SH       DEFINED           1  10,030        1,186
CHEVRON CORP NEW             COMMON 166764100      358     3,341 SH       OTHER             1   3,341
CHUBB CORP                   COMMON 171232101      634     9,176 SH       DEFINED           1   9,176
CHUBB CORP                   COMMON 171232101        3        43 SH       OTHER             1      43
CISCO SYS INC                COMMON 17275R102      797    37,661 SH       DEFINED           1  33,341        4,320
CISCO SYS INC                COMMON 17275R102       93     4,409 SH       OTHER             1   4,409
CNB FINL CORP PA             COMMON 126128107      196    11,700 SH       DEFINED           1  11,700
CNL INCOME FUND VII PARTNERS COMMON 004000998       20    20,000 SH       DEFINED           1  20,000
COCA COLA CO                 COMMON 191216100      849    11,478 SH       DEFINED           1  11,453           25
COCA COLA CO                 COMMON 191216100       41       551 SH       OTHER             1     551
CONOCOPHILLIPS               COMMON 20825C104    1,005    13,225 SH       DEFINED           1  11,904        1,321
CONOCOPHILLIPS               COMMON 20825C104       85     1,121 SH       OTHER             1     379    742
CSX CORP                     COMMON 126408103      341    15,823 SH       DEFINED           1  15,823
CSX CORP                     COMMON 126408103       11       494 SH       OTHER             1     494
CUMMINS INC                  COMMON 231021106      613     5,107 SH       DEFINED           1   5,107
CUMMINS INC                  COMMON 231021106       28       233 SH       OTHER             1     233
CVS CAREMARK CORPORATION     COMMON 126650100      790    17,636 SH       DEFINED           1  17,636
CVS CAREMARK CORPORATION     COMMON 126650100       50     1,110 SH       OTHER             1   1,110
DEVON ENERGY CORP NEW        COMMON 25179M103      493     6,933 SH       DEFINED           1   6,933
DEVON ENERGY CORP NEW        COMMON 25179M103       12       163 SH       OTHER             1     163
DISNEY WALT CO               COMMON 254687106      728    16,634 SH       DEFINED           1  14,824        1,810
DISNEY WALT CO               COMMON 254687106       40       904 SH       OTHER             1     904
DOMINION RES INC VA NEW      COMMON 25746U109      537    10,479 SH       DEFINED           1  10,442           37
DOMINION RES INC VA NEW      COMMON 25746U109      179     3,505 SH       OTHER             1   3,505
DU PONT E I DE NEMOURS & CO  COMMON 263534109      347     6,560 SH       DEFINED           1   6,560
DU PONT E I DE NEMOURS & CO  COMMON 263534109       55     1,042 SH       OTHER             1     742    300
E M C CORP MASS              COMMON 268648102      486    16,255 SH       DEFINED           1  13,535        2,720
E M C CORP MASS              COMMON 268648102        4       135 SH       OTHER             1     135
EMERSON ELEC CO              COMMON 291011104      696    13,334 SH       DEFINED           1  12,324        1,010
ENTERPRISE PRODS PARTNERS L  COMMON 293792107      239     4,744 SH       DEFINED           1   4,744
EXXON MOBIL CORP             COMMON 30231G102    3,231    37,256 SH       DEFINED           1  37,168     88
EXXON MOBIL CORP             COMMON 30231G102    1,920    22,139 SH       OTHER             1   5,887 16,252
FEDEX CORP                   COMMON 31428X106      377     4,102 SH       DEFINED           1   4,102
FEDEX CORP                   COMMON 31428X106       25       272 SH       OTHER             1     272
FIRST COMWLTH FINL CORP PA   COMMON 319829107    3,011   491,931 SH       DEFINED           1 490,761  1,170
FIRST COMWLTH FINL CORP PA   COMMON 319829107       91    14,941 SH       OTHER             1  14,141          800
FREEPORT-MCMORAN COPPER & GO COMMON 35671D857      706    18,547 SH       DEFINED           1  16,677        1,870
FREEPORT-MCMORAN COPPER & GO COMMON 35671D857        3        86 SH       OTHER             1      86
GENERAL ELECTRIC CO          COMMON 369604103    2,767   137,870 SH       DEFINED           1 132,880    500 4,490
GENERAL ELECTRIC CO          COMMON 369604103      374    18,620 SH       OTHER             1  18,120    500
GENERAL MLS INC              COMMON 370334104      766    19,412 SH       DEFINED           1  19,412
GENERAL MLS INC              COMMON 370334104       52     1,318 SH       OTHER             1   1,318
GENUINE PARTS CO             COMMON 372460105      987    15,724 SH       DEFINED           1  15,667           57
GENUINE PARTS CO             COMMON 372460105       27       432 SH       OTHER             1     432
GILEAD SCIENCES INC          COMMON 375558103      664    13,590 SH       DEFINED           1  13,590
GILEAD SCIENCES INC          COMMON 375558103        4        79 SH       OTHER             1      79
GOLDMAN SACHS GROUP INC      COMMON 38141G104      265     2,130 SH       DEFINED           1   1,600          530
GOLDMAN SACHS GROUP INC      COMMON 38141G104       34       274 SH       OTHER             1     274
GOOGLE INC                   COMMON 38259P508      986     1,537 SH       DEFINED           1   1,357          180
GOOGLE INC                   COMMON 38259P508       17        27 SH       OTHER             1      27
HALLIBURTON CO               COMMON 406216101      320     9,648 SH       DEFINED           1   8,148        1,500
HELMERICH & PAYNE INC        COMMON 423452101      677    12,542 SH       DEFINED           1  12,542
HELMERICH & PAYNE INC        COMMON 423452101       28       528 SH       OTHER             1     528
HUMANA INC                   COMMON 444859102      734     7,932 SH       DEFINED           1   7,932
HUMANA INC                   COMMON 444859102       46       494 SH       OTHER             1     494
INGERSOLL-RAND PLC           COMMON G47791101      248     6,000 SH       DEFINED           1   6,000






                                                                            
INTEL CORP                   COMMON 458140100      808    28,754 SH       DEFINED           1  25,324        3,430
INTEL CORP                   COMMON 458140100      143     5,103 SH       OTHER             1   5,103
INTERNATIONAL BUSINESS MACHS COMMON 459200101    4,194    20,099 SH       DEFINED           1  20,099
INTERNATIONAL BUSINESS MACHS COMMON 459200101      163       779 SH       OTHER             1     679    100
JACOBS ENGR GROUP INC DEL    COMMON 469814107      218     4,911 SH       DEFINED           1   4,911
JACOBS ENGR GROUP INC DEL    COMMON 469814107       26       575 SH       OTHER             1     575
JOHNSON & JOHNSON            COMMON 478160104      368     5,577 SH       DEFINED           1   5,504           73
JOHNSON & JOHNSON            COMMON 478160104       63       950 SH       OTHER             1     950
JPMORGAN CHASE & CO          COMMON 46625H100    1,155    25,113 SH       DEFINED           1  23,273        1,840
JPMORGAN CHASE & CO          COMMON 46625H100       44       967 SH       OTHER             1     967
KRAFT FOODS INC              COMMON 50075N104      561    14,763 SH       DEFINED           1  14,763
KRAFT FOODS INC              COMMON 50075N104       69     1,815 SH       OTHER             1   1,815
LOWES COS INC                COMMON 548661107      196     6,232 SH       DEFINED           1   6,232
LOWES COS INC                COMMON 548661107       39     1,233 SH       OTHER             1     933    300
MCDONALDS CORP               COMMON 580135101    1,261    12,850 SH       DEFINED           1  12,830           20
MCDONALDS CORP               COMMON 580135101      103     1,046 SH       OTHER             1   1,046
MERCK & CO INC NEW           COMMON 58933Y105      689    17,955 SH       DEFINED           1  17,658          297
MERCK & CO INC NEW           COMMON 58933Y105       19       500 SH       OTHER             1     500
METLIFE INC                  COMMON 59156R108      525    14,066 SH       DEFINED           1  14,066
METLIFE INC                  COMMON 59156R108        6       163 SH       OTHER             1     163
MICROSOFT CORP               COMMON 594918104    1,438    44,568 SH       DEFINED           1  40,098        4,470
MICROSOFT CORP               COMMON 594918104       58     1,787 SH       OTHER             1   1,787
ORACLE CORP                  COMMON 68389X105      926    31,771 SH       DEFINED           1  29,561        2,210
ORACLE CORP                  COMMON 68389X105       55     1,898 SH       OTHER             1   1,898
PARKER HANNIFIN CORP         COMMON 701094104      525     6,207 SH       DEFINED           1   6,155           52
PARKER HANNIFIN CORP         COMMON 701094104       53       627 SH       OTHER             1     627
PEPSICO INC                  COMMON 713448108      789    11,895 SH       DEFINED           1  11,868           27
PEPSICO INC                  COMMON 713448108      257     3,872 SH       OTHER             1   3,872
PETSMART INC                 COMMON 716768106      898    15,691 SH       DEFINED           1  13,461        2,230
PETSMART INC                 COMMON 716768106       47       826 SH       OTHER             1     826
PFIZER INC                   COMMON 717081103      337    14,882 SH       DEFINED           1  14,882
PFIZER INC                   COMMON 717081103      276    12,178 SH       OTHER             1  11,096  1,082
PHILIP MORRIS INTL INC       COMMON 718172109    2,694    30,403 SH       DEFINED           1  29,656          747
PHILIP MORRIS INTL INC       COMMON 718172109      229     2,581 SH       OTHER             1   2,581
PNC FINL SVCS GROUP INC      COMMON 693475105    1,044    16,186 SH       DEFINED           1  16,186
PNC FINL SVCS GROUP INC      COMMON 693475105       55       853 SH       OTHER             1     353    500
PPG INDS INC                 COMMON 693506107    1,272    13,282 SH       DEFINED           1  13,282
PPG INDS INC                 COMMON 693506107      268     2,802 SH       OTHER             1     454  2,348
PPL CORP                     COMMON 69351T106      459    16,254 SH       DEFINED           1  16,119          135
PPL CORP                     COMMON 69351T106       55     1,950 SH       OTHER             1   1,950
PRECISION CASTPARTS CORP     COMMON 740189105      708     4,092 SH       DEFINED           1   4,092
PRECISION CASTPARTS CORP     COMMON 740189105       50       290 SH       OTHER             1     290
PRICE T ROWE GROUP INC       COMMON 74144T108      698    10,687 SH       DEFINED           1  10,687
PRICE T ROWE GROUP INC       COMMON 74144T108       85     1,303 SH       OTHER             1   1,303
PROCTER & GAMBLE CO          COMMON 742718109    2,997    44,586 SH       DEFINED           1  44,542           44
PROCTER & GAMBLE CO          COMMON 742718109      166     2,473 SH       OTHER             1   2,473
PRUDENTIAL FINL INC          COMMON 744320102      504     7,957 SH       DEFINED           1   7,957
PRUDENTIAL FINL INC          COMMON 744320102       21       332 SH       OTHER             1     332
PUBLIC SVC ENTERPRISE GROUP  COMMON 744573106      251     8,207 SH       DEFINED           1   6,387        1,820
PUBLIC SVC ENTERPRISE GROUP  COMMON 744573106       66     2,160 SH       OTHER             1   2,160
QUALCOMM INC                 COMMON 747525103      756    11,115 SH       DEFINED           1  11,115
QUALCOMM INC                 COMMON 747525103       18       262 SH       OTHER             1     262
ROCKWELL AUTOMATION INC      COMMON 773903109      397     4,978 SH       DEFINED           1   4,978
ROCKWELL AUTOMATION INC      COMMON 773903109       92     1,150 SH       OTHER             1   1,150
ROCKWELL COLLINS INC         COMMON 774341101      251     4,369 SH       DEFINED           1   4,369
ROCKWELL COLLINS INC         COMMON 774341101       75     1,295 SH       OTHER             1   1,295
S & T BANCORP INC            COMMON 783859101    1,830    84,375 SH       DEFINED           1  84,375
S & T BANCORP INC            COMMON 783859101       32     1,464 SH       OTHER             1   1,464
STATE STR CORP               COMMON 857477103      524    11,511 SH       DEFINED           1  11,511
STATE STR CORP               COMMON 857477103       18       386 SH       OTHER             1     386
TARGET CORP                  COMMON 87612E106      891    15,283 SH       DEFINED           1  15,283
TARGET CORP                  COMMON 87612E106       88     1,514 SH       OTHER             1   1,514
TEVA PHARMACEUTICAL INDS LTD COMMON 881624209      545    12,106 SH       DEFINED           1  12,106
TEVA PHARMACEUTICAL INDS LTD COMMON 881624209       34       746 SH       OTHER             1     546    200
TEXAS INSTRS INC             COMMON 882508104      509    15,144 SH       DEFINED           1  12,944        2,200
TEXAS INSTRS INC             COMMON 882508104       51     1,532 SH       OTHER             1   1,532
THERMO FISHER SCIENTIFIC INC COMMON 883556102      682    12,098 SH       DEFINED           1  12,098
THERMO FISHER SCIENTIFIC INC COMMON 883556102       34       600 SH       OTHER             1     600
TIME WARNER CABLE INC        COMMON 88732J207    1,022    12,542 SH       DEFINED           1  12,542
TIME WARNER CABLE INC        COMMON 88732J207       39       481 SH       OTHER             1     481
US BANCORP DEL               COMMON 902973304      503    15,882 SH       DEFINED           1  15,882
US BANCORP DEL               COMMON 902973304       22       710 SH       OTHER             1     710
VERIZON COMMUNICATIONS INC   COMMON 92343V104    1,564    40,909 SH       DEFINED           1  40,657     76   176
VERIZON COMMUNICATIONS INC   COMMON 92343V104      527    13,795 SH       OTHER             1   9,179  4,616
VISA INC                     COMMON 92826C839      754     6,389 SH       DEFINED           1   6,389
VISA INC                     COMMON 92826C839       30       257 SH       OTHER             1     257
WAL MART STORES INC          COMMON 931142103      931    15,218 SH       DEFINED           1  12,928        2,290
WAL MART STORES INC          COMMON 931142103       44       719 SH       OTHER             1     719
WELLS FARGO & CO NEW         COMMON 949746101      153     4,492 SH       DEFINED           1   1,452        3,040
WELLS FARGO & CO NEW         COMMON 949746101       85     2,492 SH       OTHER             1   2,492
XCEL ENERGY INC              COMMON 98389B100      662    25,027 SH       DEFINED           1  25,027
XCEL ENERGY INC              COMMON 98389B100       55     2,064 SH       OTHER             1   2,064
ZIMMER HLDGS INC             COMMON 98956P102      548     8,530 SH       DEFINED           1   7,410        1,120
ZIMMER HLDGS INC             COMMON 98956P102       31       483 SH       OTHER             1     283    200
GRAND TOTALS                                    83,845 2,084,737