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, 2010

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,        August 13, 2010

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: 177

Form 13F Information Table Value Total: $71,487 (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:




                           FORM 13F INFORMATION TABLE



COLUMN  1                    COL 2  COL 3     COL 4    COLUMN 5           COL 6      COL 7    COLUMN 8
                             TITLE            MARKET                                          VOTING
                             OF               VALUE    SHS OR    SH/ PUT/ INVESTMENT OTHER    AUTHORITY
ISSUER                       CLASS  CUSIP     (X$1000) PRN AMT   PRN CALL DISCRETION MANAGERS SOLE    SHARED NONE
                                                                            
3M CO                        COMMON 88579Y101     254      3,220 SH       DEFINED        1      2,170        1,050
3M CO                        COMMON 88579Y101     635      8,035 SH       OTHER          1      8,035
ABBOTT LABS                  COMMON 002824100     811     17,347 SH       DEFINED        1     15,651        1,696
ABBOTT LABS                  COMMON 002824101      53      1,138 SH       OTHER          1      1,138
ADOBE SYS INC                COMMON 00724F101     395     14,943 SH       DEFINED        1     14,943
ADOBE SYS INC                COMMON 00724F101      16        601 SH       OTHER          1        601
AIR PRODS & CHEMS INC        COMMON 009158106     456      7,036 SH       DEFINED        1      7,036
AIR PRODS & CHEMS INC        COMMON 009158107      32        497 SH       OTHER          1        497
ALLSTATE CORP                COMMON 020002101      73      2,534 SH       DEFINED        1      2,534
ALLSTATE CORP                COMMON 020002102     188      6,529 SH       OTHER          1      6,529
ALTRIA GROUP INC             COMMON 02209S103     121      6,041 SH       DEFINED        1      5,938          103
ALTRIA GROUP INC             COMMON 02209S103     554     27,640 SH       OTHER          1     27,640
APACHE CORP                  COMMON 037411105     585      6,943 SH       DEFINED        1      6,943
APACHE CORP                  COMMON 037411106      91      1,079 SH       OTHER          1        535    544
APPLE INC                    COMMON 037833100   1,149      4,568 SH       DEFINED        1      4,547           21
APPLE INC                    COMMON 037833101      44        175 SH       OTHER          1        175
AT&T INC                     COMMON 00206R102   1,219     50,405 SH       DEFINED        1     47,863        2,542
AT&T INC                     COMMON 00206R102     204      8,424 SH       OTHER          1      8,119    300     5
AUTODESK INC                 COMMON 52769106      270     11,087 SH       DEFINED        1     11,087
AUTODESK INC                 COMMON 52769106       17        701 SH       OTHER          1        701
BANK OF AMERICA CORPORATION  COMMON 60505104      192     13,358 SH       DEFINED        1      6,752        6,606
BANK OF AMERICA CORPORATION  COMMON 60505104       58      4,033 SH       OTHER          1      4,033
BANK OF NEW YORK MELLON COR  COMMON 64058100      288     11,666 SH       DEFINED        1      9,066        2,600
BANK OF NEW YORK MELLON COR  COMMON 64058100       87      3,537 SH       OTHER          1      1,372    490 1,675
BECTON DICKINSON & CO        COMMON 75887109      617      9,131 SH       DEFINED        1      8,843          288
BECTON DICKINSON & CO        COMMON 75887109       66        969 SH       OTHER          1        969
BERKSHIRE SECURITIES         COMMON 84991868    1,159      5,600 SH       DEFINED        1      5,600
BERKSHIRE SECURITIES         COMMON 84991868      373      1,800 SH       OTHER          1      1,800
BOEING CO                    COMMON 97023105      352      5,606 SH       DEFINED        1      5,606
BOEING CO                    COMMON 97023105       71      1,136 SH       OTHER          1      1,136
BP PLC                       COMMON 55622104      216      7,485 SH       DEFINED        1      7,485
BP PLC                       COMMON 55622104      172      5,963 SH       OTHER          1      5,963
CATERPILLAR INC DEL          COMMON 149123101     676     11,253 SH       DEFINED        1     11,253
CATERPILLAR INC DEL          COMMON 149123101      63      1,050 SH       OTHER          1      1,050
CHEVRON CORP NEW             COMMON 166764100   1,004     14,798 SH       DEFINED        1     12,477        2,321
CHEVRON CORP NEW             COMMON 166764100     294      4,327 SH       OTHER          1      3,977          350
CISCO SYS INC                COMMON 17275R102     888     41,678 SH       DEFINED        1     36,915        4,763
CISCO SYS INC                COMMON 17275R102      88      4,134 SH       OTHER          1      3,984    150
CITIGROUP INC                COMMON 172967101     140     37,106 SH       DEFINED        1     37,106
CITIGROUP INC                COMMON 172967101       4      1,064 SH       OTHER          1        950    114
CNB FINL CORP PA             COMMON 126128107     315     28,700 SH       DEFINED        1     28,700
COCA COLA CO                 COMMON 191216100     455      9,083 SH       DEFINED        1      8,834    200    49
COCA COLA CO                 COMMON 191216100      48        956 SH       OTHER          1        956
CONOCOPHILLIPS               COMMON 20825C104     575     11,722 SH       DEFINED        1      9,624        2,098
CONOCOPHILLIPS               COMMON 20825C104      22        449 SH       OTHER          1        369     80
CUMMINS INC                  COMMON 231021106     252      3,867 SH       DEFINED        1      3,867
CUMMINS INC                  COMMON 231021106       7        100 SH       OTHER          1        100
CVS CAREMARK CORPORATION     COMMON 126650100     504     17,197 SH       DEFINED        1     17,197
CVS CAREMARK CORPORATION     COMMON 126650100      32      1,087 SH       OTHER          1      1,087
DISNEY WALT CO               COMMON 254687106     279      8,843 SH       DEFINED        1      5,864        2,979
DISNEY WALT CO               COMMON 254687106      25        800 SH       OTHER          1        800
DOMINION RES INC VA NEW      COMMON 25746U109     642     16,573 SH       DEFINED        1     15,921          652
DOMINION RES INC VA NEW      COMMON 25746U109     131      3,386 SH       OTHER          1      3,386
DU PONT E I DE NEMOURS & CO  COMMON 263534109     227      6,560 SH       DEFINED        1      6,560
DU PONT E I DE NEMOURS & CO  COMMON 263534109      36      1,042 SH       OTHER          1        742    300
EMBRYO DEV CORP              COMMON 290818103       -     15,000 SH       DEFINED        1     15,000
EMERSON ELEC CO              COMMON 291011104      48      1,090 SH       DEFINED        1         40        1,050
EMERSON ELEC CO              COMMON 291011104     704     16,110 SH       OTHER          1     16,110
ENTERPRISE PRODS PARTNERS L  COMMON 293792107     244      6,894 SH       DEFINED        1      6,894
EXXON MOBIL CORP             COMMON 30231G102   2,328     40,791 SH       DEFINED        1     40,791
EXXON MOBIL CORP             COMMON 30231G102   1,405     24,620 SH       OTHER          1      7,683 16,937
FEDEX CORP                   COMMON 31428X106     320      4,563 SH       DEFINED        1      4,563
FEDEX CORP                   COMMON 31428X106      20        283 SH       OTHER          1        283
FIRST COMWLTH FINL CORP PA   COMMON 319829107   3,968    755,732 SH       DEFINED        1    752,266  3,466
FIRST COMWLTH FINL CORP PA   COMMON 319829107      72     13,763 SH       OTHER          1      5,676  8,087
FREEPORT-MCMORAN COPPER & G  COMMON 35671D857     233      3,939 SH       DEFINED        1      3,939
FREEPORT-MCMORAN COPPER & G  COMMON 35671D857       1         24 SH       OTHER          1         24
GATEWAY BANK OF PENNSYLVANIA COMMON 869099101      40      5,000 SH       DEFINED               5,000     --    --
GENERAL ELECTRIC CO          COMMON 369604103     961     66,614 SH       DEFINED        1     61,804        4,810
GENERAL ELECTRIC CO          COMMON 369604103   1,537    106,561 SH       OTHER          1    104,591  1,630   340
GENERAL MLS INC              COMMON 370334104     734     20,661 SH       DEFINED        1     20,661
GENERAL MLS INC              COMMON 370334104      47      1,310 SH       OTHER          1      1,310
GENUINE PARTS CO             COMMON 372460105     646     16,369 SH       DEFINED        1     16,369
GENUINE PARTS CO             COMMON 372460105      18        445 SH       OTHER          1        445
GOLDMAN SACHS GROUP INC      COMMON 38141G104     419      3,195 SH       DEFINED        1      3,195
GOLDMAN SACHS GROUP INC      COMMON 38141G104      36        273 SH       OTHER          1        273
GOOGLE INC                   COMMON 38259P508     661      1,485 SH       DEFINED        1      1,285          200
GOOGLE INC                   COMMON 38259P508      12         27 SH       OTHER          1         27
HEINZ H J CO                 COMMON 423074103     438     10,131 SH       DEFINED        1     10,047           84







COLUMN  1                    COL 2  COL 3     COL 4    COLUMN 5           COL 6      COL 7    COLUMN 8
                             TITLE            MARKET                                          VOTING
                             OF               VALUE    SHS OR    SH/ PUT/ INVESTMENT OTHER    AUTHORITY
ISSUER                       CLASS  CUSIP     (X$1000) PRN AMT   PRN CALL DISCRETION MANAGERS SOLE    SHARED NONE
                                                                            
HEINZ H J CO                 COMMON 423074103      36        838 SH       OTHER          1        838
HELMERICH & PAYNE INC        COMMON 423452101     286      7,844 SH       DEFINED        1      7,844
HELMERICH & PAYNE INC        COMMON 423452101      18        496 SH       OTHER          1        496
HUMANA INC                   COMMON 444859102     211      4,627 SH       DEFINED        1      4,548           79
HUMANA INC                   COMMON 444859102       3         60 SH       OTHER          1         60
INGERSOLL-RAND PLC           COMMON G47791101     207      6,000 SH       OTHER          1      6,000
INTEL CORP                   COMMON 458140100     538     27,682 SH       DEFINED        1     22,052        5,630
INTEL CORP                   COMMON 458140100     105      5,412 SH       OTHER          1      5,262          150
INTERNATIONAL BUSINESS MACH  COMMON 459200101   1,517     12,286 SH       DEFINED        1     12,054          232
INTERNATIONAL BUSINESS MACH  COMMON 459200101   1,644     13,310 SH       OTHER          1     13,210    100
JACOBS ENGR GROUP INC DEL    COMMON 469814107     466     12,782 SH       DEFINED        1     12,782
JACOBS ENGR GROUP INC DEL    COMMON 469814107      23        643 SH       OTHER          1        643
JOHNSON & JOHNSON            COMMON 478160104   1,052     17,815 SH       DEFINED        1     17,311          504
JOHNSON & JOHNSON            COMMON 478160104     442      7,481 SH       OTHER          1      7,411     70
JPMORGAN CHASE & CO          COMMON 46625H100     827     22,581 SH       DEFINED        1     20,701        1,880
JPMORGAN CHASE & CO          COMMON 46625H100      60      1,638 SH       OTHER          1      1,638
KRAFT FOODS INC              COMMON 50075N104      40      1,423 SH       DEFINED        1      1,307          116
KRAFT FOODS INC              COMMON 50075N104     535     19,108 SH       OTHER          1     19,108
LOWES COS INC                COMMON 548661107     192      9,397 SH       DEFINED        1      9,397
LOWES COS INC                COMMON 548661107      36      1,743 SH       OTHER          1        933    810
MCDONALDS CORP               COMMON 580135101     977     14,838 SH       DEFINED        1     14,443          395
MCDONALDS CORP               COMMON 580135101      69      1,053 SH       OTHER          1      1,053
MERCK & CO INC NEW           COMMON 58933Y105      79      2,260 SH       DEFINED        1      2,260
MERCK & CO INC NEW           COMMON 58933Y105     798     22,810 SH       OTHER          1     22,310          500
METLIFE INC                  COMMON 59156R108     403     10,677 SH       DEFINED        1     10,677
METLIFE INC                  COMMON 59156R108       7        188 SH       OTHER          1        188
MICROSOFT CORP               COMMON 594918104     985     42,809 SH       DEFINED        1     37,222        5,587
MICROSOFT CORP               COMMON 594918104      49      2,140 SH       OTHER          1      1,950          190
MONSANTO CO NEW              COMMON 61166W101     307      6,636 SH       DEFINED        1      5,906          730
MONSANTO CO NEW              COMMON 61166W101      12        259 SH       OTHER          1        259
NEW MEXICO BANQUEST          COMMON 647991926   1,859      7,207 SH       DEFINED        1      7,207
NEW MEXICO BANQUEST          COMMON 647991926      59        229 SH       OTHER          1        229
ORACLE CORP                  COMMON 68389X105     733     34,164 SH       DEFINED        1     34,164
ORACLE CORP                  COMMON 68389X105      72      3,349 SH       OTHER          1      3,189    160
PARKER HANNIFIN CORP         COMMON 701094104     477      8,609 SH       DEFINED        1      8,609
PARKER HANNIFIN CORP         COMMON 701094104      36        646 SH       OTHER          1        646
PARKVALE FINANCIAL CORP      COMMON 701492100     932    111,263 SH       DEFINED             111,263     --    --
PEPSICO INC                  COMMON 713448108     797     13,076 SH       DEFINED        1     12,651          425
PEPSICO INC                  COMMON 713448108     937     15,372 SH       OTHER          1     15,372
PETSMART INC                 COMMON 716768106     711     23,556 SH       DEFINED        1     21,216        2,340
PETSMART INC                 COMMON 716768106      26        862 SH       OTHER          1        862
PFIZER INC                   COMMON 717081103     221     15,486 SH       DEFINED        1     15,486
PFIZER INC                   COMMON 717081103     174     12,221 SH       OTHER          1     12,021          200
PHILIP MORRIS INTL INC       COMMON 718172109     891     19,435 SH       DEFINED        1     17,695        1,740
PHILIP MORRIS INTL INC       COMMON 718172109   1,090     23,773 SH       OTHER          1     23,773
PNC FINL SVCS GROUP INC      COMMON 693475105     351      6,207 SH       DEFINED        1      6,207
PNC FINL SVCS GROUP INC      COMMON 693475105     102      1,800 SH       OTHER          1      1,800
PPG INDS INC                 COMMON 693506107     175      2,904 SH       DEFINED        1      2,904
PPG INDS INC                 COMMON 693506107   1,066     17,654 SH       OTHER          1     15,154  2,500
PRECISION CASTPARTS CORP     COMMON 740189105     519      5,039 SH       DEFINED        1      5,039
PRECISION CASTPARTS CORP     COMMON 740189105      31        300 SH       OTHER          1        300
PRICE T ROWE GROUP INC       COMMON 74144T108     599     13,500 SH       DEFINED        1     13,061          439
PRICE T ROWE GROUP INC       COMMON 74144T108      65      1,473 SH       OTHER          1      1,473
PROCTER & GAMBLE CO          COMMON 742718109   1,067     17,790 SH       DEFINED        1     17,288          502
PROCTER & GAMBLE CO          COMMON 742718109   2,161     36,023 SH       OTHER          1     36,023
PRUDENTIAL FINL INC          COMMON 744320102     207      3,859 SH       DEFINED        1      3,859
PRUDENTIAL FINL INC          COMMON 744320102      13        251 SH       OTHER          1        251
PUBLIC SVC ENTERPRISE GROUP  COMMON 744573106     105      3,357 SH       DEFINED        1        287        3,070
PUBLIC SVC ENTERPRISE GROUP  COMMON 744573106     265      8,460 SH       OTHER          1      8,460
QUALCOMM INC                 COMMON 747525103     306      9,305 SH       DEFINED        1      9,305
QUALCOMM INC                 COMMON 747525103       9        277 SH       OTHER          1        277
ROCKWELL AUTOMATION INC      COMMON 773903109     216      4,397 SH       DEFINED        1      4,397
ROCKWELL AUTOMATION INC      COMMON 773903109      67      1,370 SH       OTHER          1      1,370
ROCKWELL COLLINS INC         COMMON 774341101     206      3,869 SH       DEFINED        1      3,869
ROCKWELL COLLINS INC         COMMON 774341101      84      1,580 SH       OTHER          1      1,580
S & T BANCORP INC            COMMON 783859101     841     42,544 SH       DEFINED        1     42,544
S & T BANCORP INC            COMMON 783859101      29      1,464 SH       OTHER          1      1,464
STATE STR CORP               COMMON 857477103     386     11,408 SH       DEFINED        1     11,408
STATE STR CORP               COMMON 857477103      17        504 SH       OTHER          1        394    110
TARGET CORP                  COMMON 87612E106     752     15,303 SH       DEFINED        1     15,303
TARGET CORP                  COMMON 87612E107      75      1,516 SH       OTHER          1      1,516
TEVA PHARMACEUTICAL INDS LT  COMMON 881624209     734     14,118 SH       DEFINED        1     14,067           51
TEVA PHARMACEUTICAL INDS LT  COMMON 881624209      37        714 SH       OTHER          1        514    200
TEXAS INSTRS INC             COMMON 882508104     399     17,119 SH       DEFINED        1     14,819        2,300
TEXAS INSTRS INC             COMMON 882508104      36      1,567 SH       OTHER          1      1,567
THERMO FISHER SCIENTIFIC IN  COMMON 883556102     604     12,312 SH       DEFINED        1     12,312
THERMO FISHER SCIENTIFIC IN  COMMON 883556102      30        608 SH       OTHER          1        608
TIME WARNER CABLE INC        COMMON 88732J207     655     12,586 SH       DEFINED        1     12,586
TIME WARNER CABLE INC        COMMON 88732J207      24        465 SH       OTHER          1        465
TRANSOCEAN LTD               COMMON H8817H100     207      4,474 SH       DEFINED        1      3,266        1,208
TRANSOCEAN LTD               COMMON H8817H100      14        295 SH       OTHER          1        295
TRISTATE CAPITAL BANK        COMMON 99R733108     400     50,000 SH       DEFINED              50,000     --    --
US BANCORP DEL               COMMON 902973304     266     11,898 SH       DEFINED        1     11,898
US BANCORP DEL               COMMON 902973304      16        733 SH       OTHER          1        733
VERIZON COMMUNICATIONS INC   COMMON 92343V104   1,094     39,057 SH       DEFINED        1     38,938          119
VERIZON COMMUNICATIONS INC   COMMON 92343V104     592     21,144 SH       OTHER          1     17,300  3,844
VISA INC                     COMMON 92826C839     438      6,189 SH       DEFINED        1      6,189
VISA INC                     COMMON 92826C839      18        257 SH       OTHER          1        257







COLUMN  1                    COL 2  COL 3     COL 4    COLUMN 5           COL 6      COL 7    COLUMN 8
                             TITLE            MARKET                                          VOTING
                             OF               VALUE    SHS OR    SH/ PUT/ INVESTMENT OTHER    AUTHORITY
ISSUER                       CLASS  CUSIP     (X$1000) PRN AMT   PRN CALL DISCRETION MANAGERS SOLE    SHARED NONE
                                                                            
VIST FINANCIAL CORP          COMMON 524477106     261     34,066 SH       DEFINED              34,066     --    --
VIST FINANCIAL CORP          COMMON 918255100      82     10,655 SH       DEFINED        1     10,655
WAL MART STORES INC          COMMON 931142103     630     13,106 SH       DEFINED        1     11,050        2,056
WAL MART STORES INC          COMMON 931142103      34        704 SH       OTHER          1        704
WELLS FARGO & CO NEW         COMMON 949746101     644     25,161 SH       DEFINED        1     25,161
WELLS FARGO & CO NEW         COMMON 949746101     102      3,995 SH       OTHER          1      3,995
XCEL ENERGY INC              COMMON 98389B100     532     25,816 SH       DEFINED        1     25,816
XCEL ENERGY INC              COMMON 98389B100      37      1,817 SH       OTHER          1      1,817
ZIMMER HLDGS INC             COMMON 98956P102     506      9,366 SH       DEFINED        1      8,276        1,090
ZIMMER HLDGS INC             COMMON 98956P102      25        470 SH       OTHER          1        300    100    70

GRAND TOTALS                                   71,487  2,686,812