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, 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,      May 13, 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: 182

Form 13F Information Table Value Total: $84,928 (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                                         VOTING AUTHORITY
                                      OF                  VALUE   SHS OR  SH/ PUT/ INVESTMENT  OTHER   --------------------
ISSUER                               CLASS       CUSIP   (X$1000) PRN AMT PRN CALL DISCRETION MANAGERS  SOLE   SHARED NONE
------                            -----------  --------- -------- ------- --- ---- ---------- -------- ------- ------ -----
                                                                                     
3M CO                                COMMON    88579Y101    306     3,270 SH       DEFINED           1   2,250        1,020
3M CO                                COMMON    88579Y101    715     7,645 SH       OTHER             1   7,645
ABBOTT LABS                          COMMON    002824100    679    13,845 SH       DEFINED           1  12,005        1,840
ABBOTT LABS                          COMMON    002824100     56     1,138 SH       OTHER             1   1,138
AIR PRODS & CHEMS INC                COMMON    009158106    700     7,760 SH       DEFINED           1   7,760
AIR PRODS & CHEMS INC                COMMON    009158106     44       492 SH       OTHER             1     492
ALLSTATE CORP                        COMMON    020002101     72     2,250 SH       DEFINED           1   2,250
ALLSTATE CORP                        COMMON    020002101    207     6,529 SH       OTHER             1   6,529
ALTRIA GROUP INC                     COMMON    02209S103    148     5,668 SH       DEFINED           1   5,538          130
ALTRIA GROUP INC                     COMMON    02209S103    698    26,815 SH       OTHER             1  26,815
APACHE CORP                          COMMON    037411105    887     6,775 SH       DEFINED           1   6,775
APACHE CORP                          COMMON    037411105    139     1,059 SH       OTHER             1     535    524
APPLE INC                            COMMON    037833100  1,516     4,350 SH       DEFINED           1   4,171          179
APPLE INC                            COMMON    037833100     68       195 SH       OTHER             1     195
AT&T INC                             COMMON    00206R102  1,459    47,679 SH       DEFINED           1  45,151        2,528
AT&T INC                             COMMON    00206R102    251     8,187 SH       OTHER             1   7,882    300     5
AUTODESK INC                         COMMON    052769106    411     9,327 SH       DEFINED           1   9,327
AUTODESK INC                         COMMON    052769106     29       652 SH       OTHER             1     652
BANK OF AMERICA CORPORATION          COMMON    060505104    171    12,818 SH       DEFINED           1   6,352        6,466
BANK OF AMERICA CORPORATION          COMMON    060505104     33     2,488 SH       OTHER             1   2,488
BANK OF NEW YORK MELLON CORP         COMMON    064058100    341    11,416 SH       DEFINED           1   8,866        2,550
BANK OF NEW YORK MELLON CORP         COMMON    064058100     84     2,822 SH       OTHER             1   1,372    400 1,050
BECTON DICKINSON & CO                COMMON    075887109    678     8,521 SH       DEFINED           1   8,233          288
BECTON DICKINSON & CO                COMMON    075887109     69       869 SH       OTHER             1     869
BOEING CO                            COMMON    097023105    573     7,754 SH       DEFINED           1   7,754
BOEING CO                            COMMON    097023105     77     1,048 SH       OTHER             1   1,048
BP PLC                            COMMON (ADR) 055622104    150     3,406 SH       DEFINED           1   3,406
BP PLC                            COMMON (ADR) 055622104    260     5,890 SH       OTHER             1   5,890
BP PRUDHOE BAY RTY TR                COMMON    055630107    264     2,200 SH       DEFINED           1   2,200
CATERPILLAR INC DEL                  COMMON    149123101  1,205    10,818 SH       DEFINED           1  10,818
CATERPILLAR INC DEL                  COMMON    149123101    116     1,040 SH       OTHER             1   1,040
CHEVRON CORP NEW                     COMMON    166764100  1,289    11,993 SH       DEFINED           1  10,158        1,835
CHEVRON CORP NEW                     COMMON    166764100    464     4,317 SH       OTHER             1   3,967          350
CHUBB CORP                           COMMON    171232101    435     7,090 SH       DEFINED           1   7,090
CHUBB CORP                           COMMON    171232101      4        63 SH       OTHER             1      63
CISCO SYS INC                        COMMON    17275R102    767    44,731 SH       DEFINED           1  40,058        4,673
CISCO SYS INC                        COMMON    17275R102     69     4,041 SH       OTHER             1   4,041
CITIGROUP INC                        COMMON    172967101    164    37,106 SH       DEFINED           1  37,106
CITIGROUP INC                        COMMON    172967101      5     1,064 SH       OTHER             1     950    114
CNB FINL CORP PA                     COMMON    126128107    416    28,700 SH       DEFINED           1  28,700
COCA COLA CO                         COMMON    191216100    598     9,018 SH       DEFINED           1   8,978           40
COCA COLA CO                         COMMON    191216100     63       951 SH       OTHER             1     951
CONOCOPHILLIPS                       COMMON    20825C104  1,095    13,711 SH       DEFINED           1  11,641        2,070
CONOCOPHILLIPS                       COMMON    20825C104     31       389 SH       OTHER             1     389
CUMMINS INC                          COMMON    231021106    486     4,436 SH       DEFINED           1   4,436
CUMMINS INC                          COMMON    231021106     15       133 SH       OTHER             1     133
CVS CAREMARK CORPORATION             COMMON    126650100    564    16,424 SH       DEFINED           1  16,424
CVS CAREMARK CORPORATION             COMMON    126650100     38     1,093 SH       OTHER             1   1,093
DEVON ENERGY CORP NEW                COMMON    25179M103    434     4,730 SH       DEFINED           1   4,730
DEVON ENERGY CORP NEW                COMMON    25179M103     11       125 SH       OTHER             1     125
DISNEY WALT CO                       COMMON    254687106    167     3,879 SH       DEFINED           1   2,000        1,879
DISNEY WALT CO                       COMMON    254687106     34       800 SH       OTHER             1     800
DOMINION RES INC VA NEW              COMMON    25746U109    833    18,634 SH       DEFINED           1  17,984          650
DOMINION RES INC VA NEW              COMMON    25746U109    157     3,511 SH       OTHER             1   3,511
DU PONT E I DE NEMOURS & CO          COMMON    263534109    361     6,560 SH       DEFINED           1   6,560
DU PONT E I DE NEMOURS & CO          COMMON    263534109     57     1,042 SH       OTHER             1     742    300
E M C CORP MASS                      COMMON    268648102    354    13,331 SH       DEFINED           1  10,481        2,850
E M C CORP MASS                      COMMON    268648102      3       115 SH       OTHER             1     115
EMERSON ELEC CO                      COMMON    291011104     72     1,239 SH       DEFINED           1     219        1,020
EMERSON ELEC CO                      COMMON    291011104    875    14,980 SH       OTHER             1  14,980
ENTERPRISE PRODS PARTNERS L          COMMON    293792107    297     6,894 SH       DEFINED           1   6,894
EXXON MOBIL CORP                     COMMON    30231G102  3,198    38,012 SH       DEFINED           1  38,012
EXXON MOBIL CORP                     COMMON    30231G102  2,052    24,390 SH       OTHER             1   7,653 16,737
FEDEX CORP                           COMMON    31428X106    364     3,893 SH       DEFINED           1   3,893
FEDEX CORP                           COMMON    31428X106     27       290 SH       OTHER             1     290
FIRST COMWLTH FINL CORP PA           COMMON    319829107  4,937   720,730 SH       DEFINED           1 720,730
FIRST COMWLTH FINL CORP PA           COMMON    319829107    220    32,169 SH       OTHER             1  26,782  4,587   800
FREEPORT-MCMORAN COPPER & GO         COMMON    35671D857    630    11,344 SH       DEFINED           1  10,244        1,100
FREEPORT-MCMORAN COPPER & GO         COMMON    35671D857      4        64 SH       OTHER             1      64
GATEWAY BANK OF PENNSYLVANIA         COMMON    869099101     40     5,000 SH       DEFINED               5,000     --    --
GENERAL ELECTRIC CO                  COMMON    369604103  1,457    72,648 SH       DEFINED           1  67,938        4,710
GENERAL ELECTRIC CO                  COMMON    369604103  2,076   103,560 SH       OTHER             1 102,405  1,155
GENERAL MLS INC                      COMMON    370334104    766    20,954 SH       DEFINED           1  20,954
GENERAL MLS INC                      COMMON    370334104     48     1,318 SH       OTHER             1   1,318
GENUINE PARTS CO                     COMMON    372460105    853    15,897 SH       DEFINED           1  15,897
GENUINE PARTS CO                     COMMON    372460105     24       454 SH       OTHER             1     454
GILEAD SCIENCES INC                  COMMON    375558103    290     6,831 SH       DEFINED           1   6,831






            COLUMN 1                 COL 2       COL 3    COL 4       COLUMN 5       COL 6     COL 7         COLUMN 8
            --------              -----------  --------- -------- ---------------- ---------- -------- --------------------
                                     TITLE                MARKET                                         VOTING AUTHORITY
                                      OF                  VALUE   SHS OR  SH/ PUT/ INVESTMENT  OTHER   --------------------
ISSUER                               CLASS       CUSIP   (X$1000) PRN AMT PRN CALL DISCRETION MANAGERS  SOLE   SHARED NONE
------                            -----------  --------- -------- ------- --- ---- ---------- -------- ------- ------ -----
                                                                                     
GILEAD SCIENCES INC                  COMMON    375558103      2        57 SH       OTHER             1      57
GOLDMAN SACHS GROUP INC              COMMON    38141G104    504     3,175 SH       DEFINED           1   3,175
GOLDMAN SACHS GROUP INC              COMMON    38141G104     43       268 SH       OTHER             1     268
GOOGLE INC                           COMMON    38259P508    907     1,545 SH       DEFINED           1   1,355          190
GOOGLE INC                           COMMON    38259P508     16        27 SH       OTHER             1      27
HELMERICH & PAYNE INC                COMMON    423452101    795    11,574 SH       DEFINED           1  11,574
HELMERICH & PAYNE INC                COMMON    423452101     37       538 SH       OTHER             1     538
HERSHEY CO                           COMMON    427866108    217     3,988 SH       DEFINED           1   3,988
HUMANA INC                           COMMON    444859102    510     7,286 SH       DEFINED           1   7,213           73
HUMANA INC                           COMMON    444859102     35       500 SH       OTHER             1     500
INGERSOLL-RAND PLC                   COMMON    G47791101    290     6,000 SH       OTHER             1   6,000
INTEL CORP                           COMMON    458140100    582    28,849 SH       DEFINED           1  22,572        6,277
INTEL CORP                           COMMON    458140100    106     5,253 SH       OTHER             1   5,253
INTERNATIONAL BUSINESS MACHS         COMMON    459200101  1,879    11,522 SH       DEFINED           1  11,319          203
INTERNATIONAL BUSINESS MACHS         COMMON    459200101  2,098    12,864 SH       OTHER             1  12,764   100
JACOBS ENGR GROUP INC DEL            COMMON    469814107    576    11,206 SH       DEFINED           1  11,206
JACOBS ENGR GROUP INC DEL            COMMON    469814107     32       622 SH       OTHER             1     622
JOHNSON & JOHNSON                    COMMON    478160104    286     4,828 SH       DEFINED           1   4,766           62
JOHNSON & JOHNSON                    COMMON    478160104    377     6,368 SH       OTHER             1   6,368
JPMORGAN CHASE & CO                  COMMON    46625H100  1,074    23,292 SH       DEFINED           1  21,462        1,830
JPMORGAN CHASE & CO                  COMMON    46625H100     75     1,617 SH       OTHER             1   1,617
KINDER MORGAN MANAGEMENT LLC         COMMON    49455U100    202     3,079 SH       DEFINED           1   2,575          504
KRAFT FOODS INC                      COMMON    50075N104     45     1,423 SH       DEFINED           1   1,307          116
KRAFT FOODS INC                      COMMON    50075N104    589    18,778 SH       OTHER             1  18,778
LOWES COS INC                        COMMON    548661107    218     8,232 SH       DEFINED           1   8,232
LOWES COS INC                        COMMON    548661107     41     1,533 SH       OTHER             1     933   600
MARATHON OIL CORP                    COMMON    565849106    229     4,290 SH       DEFINED           1   1,250        3,040
MCDONALDS CORP                       COMMON    580135101  1,092    14,353 SH       DEFINED           1  13,980          373
MCDONALDS CORP                       COMMON    580135101     81     1,058 SH       OTHER             1   1,058
MERCK & CO INC NEW                   COMMON    58933Y105     88     2,660 SH       DEFINED           1   2,660
MERCK & CO INC NEW                   COMMON    58933Y105    714    21,630 SH       OTHER             1  21,230          400
METLIFE INC                          COMMON    59156R108    485    10,851 SH       DEFINED           1  10,851
METLIFE INC                          COMMON    59156R108      8       173 SH       OTHER             1     173
MICROSOFT CORP                       COMMON    594918104  1,041    40,994 SH       DEFINED           1  35,333        5,661
MICROSOFT CORP                       COMMON    594918104     44     1,750 SH       OTHER             1   1,750
MYLAN INC                            COMMON    628530107    204     9,012 SH       DEFINED           1   9,012
ORACLE CORP                          COMMON    68389X105  1,046    31,280 SH       DEFINED           1  31,280
ORACLE CORP                          COMMON    68389X105     77     2,289 SH       OTHER             1   2,289
PARKER HANNIFIN CORP                 COMMON    701094104    697     7,357 SH       DEFINED           1   7,357
PARKER HANNIFIN CORP                 COMMON    701094104     60       637 SH       OTHER             1     637
PARKVALE FINANCIAL CORP              COMMON    701492100  1,085   111,263 SH       DEFINED             111,263    --     --
PEPSICO INC                          COMMON    713448108    566     8,792 SH       DEFINED           1   8,341          451
PEPSICO INC                          COMMON    713448108    927    14,397 SH       OTHER             1  14,397
PETROCHINA CO LTD                 COMMON (ADR) 71646E100    310     2,034 SH       DEFINED           1   2,034
PETROCHINA CO LTD                 COMMON (ADR) 71646E100     10        65 SH       OTHER             1      65
PETSMART INC                         COMMON    716768106    753    18,399 SH       DEFINED           1  16,109        2,290
PETSMART INC                         COMMON    716768106     35       862 SH       OTHER             1     862
PFIZER INC                           COMMON    717081103    323    15,882 SH       DEFINED           1  15,882
PFIZER INC                           COMMON    717081103    244    12,021 SH       OTHER             1  12,021
PHILIP MORRIS INTL INC               COMMON    718172109  1,161    17,693 SH       DEFINED           1  16,428        1,265
PHILIP MORRIS INTL INC               COMMON    718172109  1,480    22,558 SH       OTHER             1  22,558
PNC FINL SVCS GROUP INC              COMMON    693475105    700    11,115 SH       DEFINED           1  11,115
PNC FINL SVCS GROUP INC              COMMON    693475105    116     1,835 SH       OTHER             1   1,835
PPG INDS INC                         COMMON    693506107    248     2,604 SH       DEFINED           1   2,604
PPG INDS INC                         COMMON    693506107  1,657    17,404 SH       OTHER             1  15,154 2,250
PRECISION CASTPARTS CORP             COMMON    740189105    665     4,515 SH       DEFINED           1   4,515
PRECISION CASTPARTS CORP             COMMON    740189105     44       300 SH       OTHER             1     300
PRICE T ROWE GROUP INC               COMMON    74144T108    791    11,908 SH       DEFINED           1  11,541          367
PRICE T ROWE GROUP INC               COMMON    74144T108     96     1,441 SH       OTHER             1   1,441
PROCTER & GAMBLE CO                  COMMON    742718109  1,065    17,285 SH       DEFINED           1  16,860          425
PROCTER & GAMBLE CO                  COMMON    742718109  2,182    35,423 SH       OTHER             1  35,423
PRUDENTIAL FINL INC                  COMMON    744320102    370     6,012 SH       DEFINED           1   6,012
PRUDENTIAL FINL INC                  COMMON    744320102     17       273 SH       OTHER             1     273
PUBLIC SVC ENTERPRISE GROUP          COMMON    744573106     64     2,027 SH       DEFINED           1     187        1,840
PUBLIC SVC ENTERPRISE GROUP          COMMON    744573106    267     8,460 SH       OTHER             1   8,460
QUALCOMM INC                         COMMON    747525103    448     8,163 SH       DEFINED           1   8,163
QUALCOMM INC                         COMMON    747525103     14       252 SH       OTHER             1     252
ROCKWELL AUTOMATION INC              COMMON    773903109    495     5,234 SH       DEFINED           1   5,234
ROCKWELL AUTOMATION INC              COMMON    773903109    124     1,310 SH       OTHER             1   1,310
ROCKWELL COLLINS INC                 COMMON    774341101    303     4,669 SH       DEFINED           1   4,669
ROCKWELL COLLINS INC                 COMMON    774341101     98     1,505 SH       OTHER             1   1,505
ROYAL DUTCH SHELL PLC             COMMON (ADR) 780259206     52       714 SH       DEFINED           1     714
ROYAL DUTCH SHELL PLC             COMMON (ADR) 780259206    153     2,100 SH       OTHER             1   2,100
S & T BANCORP INC                    COMMON    783859101    861    39,929 SH       DEFINED           1  39,929
S & T BANCORP INC                    COMMON    783859101     32     1,464 SH       OTHER             1   1,464
STATE STR CORP                       COMMON    857477103    455    10,127 SH       DEFINED           1  10,127
STATE STR CORP                       COMMON    857477103     17       380 SH       OTHER             1     380
TARGET CORP                          COMMON    87612E106    800    15,992 SH       DEFINED           1  15,992
TARGET CORP                          COMMON    87612E106     76     1,523 SH       OTHER             1   1,523






            COLUMN 1                 COL 2       COL 3    COL 4        COLUMN 5        COL 6     COL 7        COLUMN 8
            --------              -----------  --------- -------- ------------------ ---------- -------- -------------------
                                     TITLE                MARKET                                          VOTING AUTHORITY
                                      OF                  VALUE    SHS OR   SH/ PUT/ INVESTMENT  OTHER   -------------------
ISSUER                               CLASS       CUSIP   (X$1000)  PRN AMT  PRN CALL DISCRETION MANAGERS  SOLE  SHARED NONE
------                            -----------  --------- -------- --------- --- ---- ---------- -------- ------ ------ -----
                                                                                      
TEVA PHARMACEUTICAL INDS LTD      COMMON (ADR) 881624209     764     15,222 SH       DEFINED           1 15,171           51
TEVA PHARMACEUTICAL INDS LTD      COMMON (ADR) 881624209      36        714 SH       OTHER             1    514   200
TEXAS INSTRS INC                     COMMON    882508104     571     16,531 SH       DEFINED           1 14,281        2,250
TEXAS INSTRS INC                     COMMON    882508104      54      1,567 SH       OTHER             1  1,567
THERMO FISHER SCIENTIFIC INC         COMMON    883556102     621     11,179 SH       DEFINED           1 11,179
THERMO FISHER SCIENTIFIC INC         COMMON    883556102      34        608 SH       OTHER             1    608
TIME WARNER CABLE INC                COMMON    88732J207     860     12,051 SH       DEFINED           1 12,051
TIME WARNER CABLE INC                COMMON    88732J207      32        455 SH       OTHER             1    455
TRISTATE CAPITAL BANK                COMMON    99R733108     400     50,000 SH       DEFINED             50,000    --     --
UNITED TECHNOLOGIES CORP             COMMON    913017109     170      2,006 SH       DEFINED           1  1,711          295
UNITED TECHNOLOGIES CORP             COMMON    913017109      37        433 SH       OTHER             1    433
US BANCORP DEL                       COMMON    902973304     324     12,251 SH       DEFINED           1 12,251
US BANCORP DEL                       COMMON    902973304      19        721 SH       OTHER             1    721
VERIZON COMMUNICATIONS INC           COMMON    92343V104   1,398     36,272 SH       DEFINED           1 36,123          149
VERIZON COMMUNICATIONS INC           COMMON    92343V104     804     20,874 SH       OTHER             1 17,030 3,844
VISA INC                             COMMON    92826C839     435      5,913 SH       DEFINED           1  5,913
VISA INC                             COMMON    92826C839      19        257 SH       OTHER             1    257
VIST FINANCIAL CORP                  COMMON    918255100      92     10,655 SH       DEFINED           1 10,655
WAL MART STORES INC                  COMMON    931142103     696     13,365 SH       DEFINED           1 11,297        2,068
WAL MART STORES INC                  COMMON    931142103      37        709 SH       OTHER             1    709
WELLS FARGO & CO NEW                 COMMON    949746101     204      6,439 SH       DEFINED           1  6,439
WELLS FARGO & CO NEW                 COMMON    949746101     123      3,881 SH       OTHER             1  3,881
XCEL ENERGY INC                      COMMON    98389B100     575     24,067 SH       DEFINED           1 24,067
XCEL ENERGY INC                      COMMON    98389B100      43      1,817 SH       OTHER             1  1,817
ZIMMER HLDGS INC                     COMMON    98956P102     500      8,254 SH       DEFINED           1  7,194        1,060
ZIMMER HLDGS INC                     COMMON    98956P102      24        389 SH       OTHER             1    289   100
GRAND TOTALS                                              84,928  2,560,698