UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    Form 13F

                               Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: September 30, 2011

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,    November 14, 2011

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: $71,914 (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       728    10,145  SH      DEFINED           1   9,195          950
3M CO                         COMMON      88579Y101        14       200  SH      OTHER             1     200
ABBOTT LABS                   COMMON      002824100       739    14,450  SH      DEFINED           1  13,350        1,100
ABBOTT LABS                   COMMON      002824100        58     1,130  SH      OTHER             1   1,130
AIR PRODS & CHEMS INC         COMMON      009158106       612     8,015  SH      DEFINED           1   8,015
AIR PRODS & CHEMS INC         COMMON      009158106        38       492  SH      OTHER             1     492
ALLSTATE CORP                 COMMON      020002101       183     7,712  SH      DEFINED           1   7,712
ALLSTATE CORP                 COMMON      020002101        18       767  SH      OTHER             1     767
ALTRIA GROUP INC              COMMON      02209S103       763    28,458  SH      DEFINED           1  28,328          130
ALTRIA GROUP INC              COMMON      02209S103        78     2,900  SH      OTHER             1   2,900
APACHE CORP                   COMMON      037411105       593     7,393  SH      DEFINED           1   6,873          520
APACHE CORP                   COMMON      037411105        85     1,059  SH      OTHER             1     535    524
APPLE INC                     COMMON      037833100     1,520     3,986  SH      DEFINED           1   3,824          162
APPLE INC                     COMMON      037833100        72       189  SH      OTHER             1     189
AT&T INC                      COMMON      00206R102     1,594    55,894  SH      DEFINED           1  53,501        2,393
AT&T INC                      COMMON      00206R102        64     2,247  SH      OTHER             1   1,947    300
AUTODESK INC                  COMMON      052769106       251     9,030  SH      DEFINED           1   9,030
AUTODESK INC                  COMMON      052769106        18       652  SH      OTHER             1     652
BANK OF NEW YORK MELLON CORP  COMMON      064058100       227    12,206  SH      DEFINED           1   8,866        3,340
BANK OF NEW YORK MELLON CORP  COMMON      064058100        27     1,472  SH      OTHER             1   1,072    400
BECTON DICKINSON & CO         COMMON      075887109       595     8,116  SH      DEFINED           1   8,116
BECTON DICKINSON & CO         COMMON      075887109        64       869  SH      OTHER             1     869
BOEING CO                     COMMON      097023105       567     9,373  SH      DEFINED           1   9,373
BOEING CO                     COMMON      097023105        48       785  SH      OTHER             1     561    224
BP PLC                        ADR         055622104       297     8,236  SH      DEFINED           1   8,236
BP PLC                        ADR         055622104        28       775  SH      OTHER             1     775
BP PRUDHOE BAY RTY TR         COMMON      055630107       232     2,200  SH      DEFINED           1   2,200
CATERPILLAR INC DEL           COMMON      149123101       798    10,807  SH      DEFINED           1  10,807
CATERPILLAR INC DEL           COMMON      149123101        84     1,140  SH      OTHER             1   1,140
CHEVRON CORP NEW              COMMON      166764100     1,062    11,472  SH      DEFINED           1  10,017        1,455
CHEVRON CORP NEW              COMMON      166764100       310     3,351  SH      OTHER             1   3,351
CHUBB CORP                    COMMON      171232101       470     7,833  SH      DEFINED           1   7,833
CHUBB CORP                    COMMON      171232101         4        63  SH      OTHER             1      63
CISCO SYS INC                 COMMON      17275R102       656    42,331  SH      DEFINED           1  38,071        4,260
CISCO SYS INC                 COMMON      17275R102        69     4,469  SH      OTHER             1   4,469
CNB FINL CORP PA              COMMON      126128107       368    28,700  SH      DEFINED           1  28,700
CNL INCOME FUND VII PARTNERS  COMMON      004000998        20    20,000  SH      DEFINED           1  20,000
COCA COLA CO                  COMMON      191216100       675     9,993  SH      DEFINED           1   9,972           21
COCA COLA CO                  COMMON      191216100        51       751  SH      OTHER             1     751
CONOCOPHILLIPS                COMMON      20825C104       860    13,579  SH      DEFINED           1  12,329        1,250
CONOCOPHILLIPS                COMMON      20825C104        72     1,131  SH      OTHER             1     389    742
CSX CORP                      COMMON      126408103       199    10,679  SH      DEFINED           1  10,679
CSX CORP                      COMMON      126408103         7       384  SH      OTHER             1     384
CUMMINS INC                   COMMON      231021106       425     5,200  SH      DEFINED           1   5,200
CUMMINS INC                   COMMON      231021106        19       233  SH      OTHER             1     233
CVS CAREMARK CORPORATION      COMMON      126650100       547    16,298  SH      DEFINED           1  16,298
CVS CAREMARK CORPORATION      COMMON      126650100        36     1,085  SH      OTHER             1   1,085
DEVON ENERGY CORP NEW         COMMON      25179M103       360     6,486  SH      DEFINED           1   6,486
DEVON ENERGY CORP NEW         COMMON      25179M103         9       163  SH      OTHER             1     163
DISNEY WALT CO                COMMON      254687106       428    14,175  SH      DEFINED           1  12,485        1,690
DISNEY WALT CO                COMMON      254687106        27       894  SH      OTHER             1     894
DOMINION RES INC VA NEW       COMMON      25746U109       865    17,038  SH      DEFINED           1  16,933          105
DOMINION RES INC VA NEW       COMMON      25746U109       177     3,495  SH      OTHER             1   3,495
DU PONT E I DE NEMOURS & CO   COMMON      263534109       262     6,560  SH      DEFINED           1   6,560
DU PONT E I DE NEMOURS & CO   COMMON      263534109        42     1,042  SH      OTHER             1     742    300
E M C CORP MASS               COMMON      268648102       316    15,053  SH      DEFINED           1  12,383        2,670
E M C CORP MASS               COMMON      268648102         2       115  SH      OTHER             1     115
EMERSON ELEC CO               COMMON      291011104       639    15,474  SH      DEFINED           1  14,524          950
ENTERPRISE PRODS PARTNERS L   COMMON      293792107       277     6,894  SH      DEFINED           1   6,894
EXXON MOBIL CORP              COMMON      30231G102     2,997    41,260  SH      DEFINED           1  41,051    209
EXXON MOBIL CORP              COMMON      30231G102     1,648    22,689  SH      OTHER             1   6,187 16,502
FEDEX CORP                    COMMON      31428X106       264     3,907  SH      DEFINED           1   3,907
FEDEX CORP                    COMMON      31428X106        18       272  SH      OTHER             1     272
FIRST COMWLTH FINL CORP PA    COMMON      319829107     3,024   817,378  SH      DEFINED           1 816,208  1,170
FIRST COMWLTH FINL CORP PA    COMMON      319829107       113    30,499  SH      OTHER             1  26,282  3,417   800
FREEPORT-MCMORAN COPPER & GO  COMMON      35671D857       409    13,429  SH      DEFINED           1  11,889        1,540
FREEPORT-MCMORAN COPPER & GO  COMMON      35671D857         2        76  SH      OTHER             1      76
GENERAL ELECTRIC CO           COMMON      369604103     2,350   154,434  SH      DEFINED           1 149,359    655 4,420
GENERAL ELECTRIC CO           COMMON      369604103       279    18,320  SH      OTHER             1  17,820    500
GENERAL MLS INC               COMMON      370334104       843    21,905  SH      DEFINED           1  21,905
GENERAL MLS INC               COMMON      370334104        51     1,318  SH      OTHER             1   1,318
GENUINE PARTS CO              COMMON      372460105       735    14,464  SH      DEFINED           1  14,464
GENUINE PARTS CO              COMMON      372460105        22       432  SH      OTHER             1     432
GILEAD SCIENCES INC           COMMON      375558103       400    10,312  SH      DEFINED           1  10,312
GILEAD SCIENCES INC           COMMON      375558103         3        79  SH      OTHER             1      79
GOLDMAN SACHS GROUP INC       COMMON      38141G104       383     4,055  SH      DEFINED           1   3,655          400
GOLDMAN SACHS GROUP INC       COMMON      38141G104        26       274  SH      OTHER             1     274
GOOGLE INC                    COMMON      38259P508       831     1,614  SH      DEFINED           1   1,434          180







                                                                                          
GOOGLE INC                    COMMON  38259P508        14         27  SH         OTHER              1       27
HELMERICH & PAYNE INC         COMMON  423452101       461     11,347  SH         DEFINED            1   11,347
HELMERICH & PAYNE INC         COMMON  423452101        21        518  SH         OTHER              1      518
HERSHEY CO                    COMMON  427866108       236      3,988  SH         DEFINED            1    3,988
HUMANA INC                    COMMON  444859102       568      7,810  SH         DEFINED            1    7,769                41
HUMANA INC                    COMMON  444859102        36        494  SH         OTHER              1      494
INTEL CORP                    COMMON  458140100       695     32,559  SH         DEFINED            1   27,369             5,190
INTEL CORP                    COMMON  458140100       109      5,103  SH         OTHER              1    5,103
INTERNATIONAL BUSINESS MACHS  COMMON  459200101     3,924     22,441  SH         DEFINED            1   22,441
INTERNATIONAL BUSINESS MACHS  COMMON  459200101       136        779  SH         OTHER              1      679        100
JACOBS ENGR GROUP INC DEL     COMMON  469814107       361     11,173  SH         DEFINED            1   11,173
JACOBS ENGR GROUP INC DEL     COMMON  469814107        20        622  SH         OTHER              1      622
JOHNSON & JOHNSON             COMMON  478160104       598      9,391  SH         DEFINED            1    9,329                62
JOHNSON & JOHNSON             COMMON  478160104        61        950  SH         OTHER              1      950
JPMORGAN CHASE & CO           COMMON  46625H100       718     23,835  SH         DEFINED            1   22,115             1,720
JPMORGAN CHASE & CO           COMMON  46625H100        38      1,267  SH         OTHER              1    1,267
KRAFT FOODS INC               COMMON  50075N104       631     18,781  SH         DEFINED            1   18,781
KRAFT FOODS INC               COMMON  50075N104        61      1,815  SH         OTHER              1    1,815
MCDONALDS CORP                COMMON  580135101     1,152     13,121  SH         DEFINED            1   13,051                70
MCDONALDS CORP                COMMON  580135101        92      1,046  SH         OTHER              1    1,046
MERCK & CO INC NEW            COMMON  58933Y105       765     23,396  SH         DEFINED            1   23,108               288
MERCK & CO INC NEW            COMMON  58933Y105        10        300  SH         OTHER              1      300
METLIFE INC                   COMMON  59156R108       316     11,285  SH         DEFINED            1   11,285
METLIFE INC                   COMMON  59156R108         5        173  SH         OTHER              1      173
MICROSOFT CORP                COMMON  594918104       952     38,247  SH         DEFINED            1   33,777             4,470
MICROSOFT CORP                COMMON  594918104        43      1,722  SH         OTHER              1    1,722
ORACLE CORP                   COMMON  68389X105       946     32,900  SH         DEFINED            1   30,811             2,089
ORACLE CORP                   COMMON  68389X105        54      1,883  SH         OTHER              1    1,883
PARKER HANNIFIN CORP          COMMON  701094104       443      7,024  SH         DEFINED            1    7,024
PARKER HANNIFIN CORP          COMMON  701094104        40        637  SH         OTHER              1      637
PEPSICO INC                   COMMON  713448108     1,049     16,942  SH         DEFINED            1   16,942
PEPSICO INC                   COMMON  713448108       246      3,972  SH         OTHER              1    3,972
PETROCHINA CO LTD             ADR     71646E100       277      2,298  SH         DEFINED            1    2,298
PETROCHINA CO LTD             ADR     71646E100        10         79  SH         OTHER              1       79
PETSMART INC                  COMMON  716768106       701     16,443  SH         DEFINED            1   14,283             2,160
PETSMART INC                  COMMON  716768106        36        836  SH         OTHER              1      836
PFIZER INC                    COMMON  717081103       290     16,382  SH         DEFINED            1   16,382
PFIZER INC                    COMMON  717081103       219     12,378  SH         OTHER              1   11,296      1,082
PHILIP MORRIS INTL INC        COMMON  718172109     2,149     34,443  SH         DEFINED            1   33,708               735
PHILIP MORRIS INTL INC        COMMON  718172109       170      2,721  SH         OTHER              1    2,721
PNC FINL SVCS GROUP INC       COMMON  693475105       777     16,126  SH         DEFINED            1   16,126
PNC FINL SVCS GROUP INC       COMMON  693475105        41        853  SH         OTHER              1      353        500
PPG INDS INC                  COMMON  693506107     1,216     17,204  SH         DEFINED            1   17,204
PPG INDS INC                  COMMON  693506107       216      3,052  SH         OTHER              1      454      2,598
PRECISION CASTPARTS CORP      COMMON  740189105       677      4,357  SH         DEFINED            1    4,357
PRECISION CASTPARTS CORP      COMMON  740189105        47        300  SH         OTHER              1      300
PRICE T ROWE GROUP INC        COMMON  74144T108       530     11,102  SH         DEFINED            1   11,102
PRICE T ROWE GROUP INC        COMMON  74144T108        62      1,303  SH         OTHER              1    1,303
PROCTER & GAMBLE CO           COMMON  742718109     3,107     49,181  SH         DEFINED            1   49,143                38
PROCTER & GAMBLE CO           COMMON  742718109       156      2,473  SH         OTHER              1    2,473
PRUDENTIAL FINL INC           COMMON  744320102       298      6,350  SH         DEFINED            1    6,350
PRUDENTIAL FINL INC           COMMON  744320102        13        273  SH         OTHER              1      273
PUBLIC SVC ENTERPRISE GROUP   COMMON  744573106       274      8,217  SH         DEFINED            1    6,487             1,730
PUBLIC SVC ENTERPRISE GROUP   COMMON  744573106        72      2,160  SH         OTHER              1    2,160
QUALCOMM INC                  COMMON  747525103       459      9,437  SH         DEFINED            1    9,437
QUALCOMM INC                  COMMON  747525103        12        252  SH         OTHER              1      252
ROCKWELL AUTOMATION INC       COMMON  773903109       278      4,963  SH         DEFINED            1    4,963
ROCKWELL AUTOMATION INC       COMMON  773903109        73      1,310  SH         OTHER              1    1,310
ROCKWELL COLLINS INC          COMMON  774341101       231      4,369  SH         DEFINED            1    4,369
ROCKWELL COLLINS INC          COMMON  774341101        79      1,505  SH         OTHER              1    1,505
S & T BANCORP INC             COMMON  783859101     1,779    110,098  SH         DEFINED            1  110,098
S & T BANCORP INC             COMMON  783859101        24      1,464  SH         OTHER              1    1,464
STATE STR CORP                COMMON  857477103       342     10,620  SH         DEFINED            1   10,620
STATE STR CORP                COMMON  857477103        12        386  SH         OTHER              1      386
TARGET CORP                   COMMON  87612E106       781     15,927  SH         DEFINED            1   15,927
TARGET CORP                   COMMON  87612E106        75      1,529  SH         OTHER              1    1,529
TEVA PHARMACEUTICAL INDS LTD  ADR     881624209       610     16,378  SH         DEFINED            1   16,378
TEVA PHARMACEUTICAL INDS LTD  ADR     881624209        27        736  SH         OTHER              1      536        200
TEXAS INSTRS INC              COMMON  882508104       418     15,699  SH         DEFINED            1   13,579             2,120
TEXAS INSTRS INC              COMMON  882508104        41      1,547  SH         OTHER              1    1,547
THERMO FISHER SCIENTIFIC INC  COMMON  883556102       548     10,815  SH         DEFINED            1   10,815
THERMO FISHER SCIENTIFIC INC  COMMON  883556102        30        600  SH         OTHER              1      600
TIME WARNER CABLE INC         COMMON  88732J207       663     10,587  SH         DEFINED            1   10,587
TIME WARNER CABLE INC         COMMON  88732J207        27        431  SH         OTHER              1      431
US BANCORP DEL                COMMON  902973304       350     14,859  SH         DEFINED            1   14,859
US BANCORP DEL                COMMON  902973304        18        755  SH         OTHER              1      755
VERIZON COMMUNICATIONS INC    COMMON  92343V104     1,582     42,979  SH         DEFINED            1   42,754         76    149
VERIZON COMMUNICATIONS INC    COMMON  92343V104       508     13,795  SH         OTHER              1    9,179      4,616
VISA INC                      COMMON  92826C839       525      6,120  SH         DEFINED            1    6,120
VISA INC                      COMMON  92826C839        22        257  SH         OTHER              1      257
VIST FINANCIAL CORP           COMMON  918255100        80     14,709  SH         DEFINED            1   14,709
WAL MART STORES INC           COMMON  931142103       725     13,974  SH         DEFINED            1   11,784             2,190
WAL MART STORES INC           COMMON  931142103        37        709  SH         OTHER              1      709
WELLS FARGO & CO NEW          COMMON  949746101       236      9,795  SH         DEFINED            1    6,935             2,860
WELLS FARGO & CO NEW          COMMON  949746101        82      3,392  SH         OTHER              1    3,392
XCEL ENERGY INC               COMMON  98389B100       554     22,442  SH         DEFINED            1   22,442
XCEL ENERGY INC               COMMON  98389B100        44      1,789  SH         OTHER              1    1,789
ZIMMER HLDGS INC              COMMON  98956P102       430      8,038  SH         DEFINED            1    7,038             1,000
ZIMMER HLDGS INC              COMMON  98956P102        26        483  SH         OTHER              1      283        200
GRAND TOTALS                                       71,914  2,519,184