|   UNITED      STATES          |
|-----------------------------------------|
| SECURITIES      AND EXCHANGE COMMISSION |
| Washington,      D.C. 20549             |
|                                    |
|  FORM      10-K                    |

| [      X ]   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE      SECURITIES EXCHANGEACT      OF 1934 |
|---------------------------------------------------------------------------------------------------------------------------|

| [    ]   TRANSITION      REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES      EXCHANGEACT      OF 1934 |
|----------------------------------------------------------------------------------------------------------------------------------------------------|

| COMMERCIAL NATIONAL FINANCIAL      CORPORATION              |
|-------------------------------------------------------------|
| (Exact name of registrant as      specified in its charter) |

|                                                                | PENNSYLVANIA                              | 25-1623213 |   |
|---------------------------------------------------------------------|-------------------------------------------|------------|--------|
| (State      or other jurisdiction of incorporation or organization) | (I.R.S.      Employer Identification No.) |

| 900 LIGONIER STREET, LATROBE,      PA         | 15650         |
|-----------------------------------------------|---------------|
| (Address      of principal executive offices) | (Zip    Code) |

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| Commercial      National Financial Corporation |
|------------------------------------------------|
|                                           |
| Form 10-K                                      |
|                                           |
| INDEX                                          |
|                                           |

| PART I        |                                                                                                                         | PAGE                      |
|---------------|------------------------------------------------------------------------------------------------------------------------------|---------------------------|
| ITEM      1.  | Business                                                                                                                     | 3                         |
| ITEM      1A. | Risk      Factors                                                                                                            | 5                         |
| ITEM      1B. | Unresolved      Staff Comments                                                                                               | 5                         |
| ITEM      2.  | Properties                                                                                                                   | 5                         |
| ITEM      3.  | Legal      Proceedings                                                                                                       | 5                         |
| ITEM      4.  | Submission      of Matters to a Vote of Security Holders                                                                     | 5                         |
|          |                                                                                                                         |                      |
| PART II       |                                                                                                                         |                      |
| ITEM      5.  | Market      for Registrant's Common Equity, Related Stockholder Matters and Issuer      Purchases of Equity Securities  |          6 |
| ITEM      6.  | Selected      Financial Data                                                                                                 | 6                         |
| ITEM      7.  | Management's      Discussion and Analysis of Financial Condition and Results of      Operations                         | 6                         |
| ITEM      7A. | Quantitative      and Qualitative Disclosures About Market Risk                                                              | 6                         |
| ITEM      8.  | Financial      Statements and Supplementary Data                                                                             | 7                         |
| ITEM      9.  | Changes      in and Disagreements with Accountants on Accounting and Financial      Disclosure                          | 7                         |
| ITEM      9A. | Controls      and Procedures                                                                                                 | 7                         |
| ITEM      9B. | Other      Information                                                                                                       | 7                         |
|          |                                                                                                                         |                      |
| PART III      |                                                                                                                         |                      |
| ITEM      10. | Directors,      Executive Officers of the Registrant and Corporate    Governance                                             | 8                         |
| ITEM      11. | Executive      Compensation                                                                                                  | 8                         |
| ITEM      12. | Security      Ownership of Certain Beneficial Owners and Management and Related      Stockholder Matters                | 8                         |
| ITEM      13. | Certain      Relationships and Related Transactions and Director      Independence                                           | 8                         |
| ITEM      14. | Principal      Accountant Fees and Services                                                                                  | 8                         |
|          |                                                                                                                         |                      |
| PART IV       |                                                                                                                         |                      |
| ITEM      15. | Exhibits      and Financial Statement Schedules                                                                              | 9                         |
|          |                                                                                                                         |                      |

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| Name                        | Age    | Present and Previous    Positions                                                    |
|-----------------------------|--------|--------------------------------------------------------------------------------------|
|                        |   |                                                                                 |
|                        |   |                                                                                 |
| Gregg      E. Hunter        | 50     | Vice      chairman, president and chief executive officer (February 2004      -      |
|                        |   | present),      Vice chairman and chief financial officer                             |
|                        |   | (December      1995 to January 2004)                                                 |
|                        |   |                                                                                 |
| Thomas      D. Watters, CPA | 47     | Senior      vice president and chief financial officer (July 2005-                   |
|                        |   | present),  Chief      Auditor  (January 1998-July 2005)          |
|                        |   |                                                                                 |
|                        |   |                                                                                 |
|                        |   |                                                                                 |
| Wendy      S. Schmucker     | 40     | Secretary/treasurer      and senior vice president, division manager                 |
|                        |   | corporate      administration (February 2004 – present)    Secretary/treasurer |
|                        |   | and      vice president, manager corporate administration  (November                 |
|                        |   | 1997      to January 2004)                                                           |
|                        |   |                                                                                 |
| Susan      R. Skoloda       | 34     | Vice      president, corporate controls and community relations    officer           |
|                        |   | (March      2004 to present); assistant vice president (April 2001  to               |
|                        |   | February      2004); assistant secretary/treasurer (April 1998 to    present)        |
|                        |   |                                                                                 |
|                        |   |                                                                                 |

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|   | Item      5.  MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED      STOCKHOLDER  MATTERS AND ISSUER PURCHASES OF EQUITY      SECURITIES |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|

| ISSUER      PURCHASES OF EQUITY SECURITIES |
|--------------------------------------------|
| Period                                     | (a)      Total Number of Shares Purchased | (b)      Average Price Paid per Share | (c)      Total Number of Shares  Purchased as Part of Publicly Announced      Plans | (d)      Maximum Number of Shares that May Yet Be Purchased Under the      Plans  |
| October      1-October      31             |  2,000 | 14.95 | 2,000 |  142,126 |
| November      1 –November      30    |  3,700 | 16.00 | 3,700 |  138,426 |
| December      1-December      31           | 3,600 | 15.50 | 3,600 |  134,826 |
| Total                                      | 9,300 | 15.59 | 9,300 |  134,826 |

|   | Item      7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL      CONDITION AND RESULTS OF OPERATIONS |
|--------|--------------------------------------------------------------------------------------------------------------------|

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|   | Item      9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON      ACCOUNTING AND FINANCIAL DISCLOSURE |
|--------|-------------------------------------------------------------------------------------------------------------------|

|   | Management’s  Report      on internal Control over Financial  Reporting. |
|--------|------------------------------------------------------------------------------------------|

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|   | (a) | The      consolidated financial statements and exhibits listed below are filed as      part of this report.  Financial statement schedules are omitted      as they are not applicable. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (1) | The Corporation’s consolidated      financial statements, the notes thereto and the report of the independent      registered public accounting firm of the Annual Report and are      incorporated herein byreference. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|    |                                                                                                                  |     Page      Number or                             |
|---------|-----------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------|
| Exhibit |                                                                                                                  |     Incorporated      by                            |
| Number  |                  Description     |     Reference to                                    |
|    |                                                                                                                  |                                                                    |
| 3.1     | Articles      of Incorporation                                                                                        | Exhibit      C to Form S-4                                              |
|    |                                                                                                                  | Registration      Statement                                             |
|    |                                                                                                                  | Filed      April 9, 1990                                                |
|    |                                                                                                                  |                                                                    |
| 3.2     | By-laws      of Registrant                                                                                            | Exhibit      D to Form S-4                                              |
|    |                                                                                                                  | Registration      Statement                                             |
|    |                                                                                                                  | Filed      April 9, 1990                                                |
|    |                                                                                                                  |                                                                    |
| 3.3     | Amended      Articles of Incorporation                                                                                | Exhibit      3.6 to Form 10-Q                                           |
|    |                                                                                                                  | Filed      for the quarter ended                                        |
|    |                                                                                                                  | September      30, 2004                                                 |
|    |                                                                                                                  |                                                                    |
| 3.4     | Amended      Bylaws of Registrant                                                                                     | Exhibit      3.8 to Form 10-Q                                           |
|    |                                                                                                                  | Filed      for the quarter ended                                        |
|    |                                                                                                                  | September      30, 2004                                                 |
|    |                                                                                                                  |                                                                    |
| 10.1    | Amended      and Restated Employment Agreement between Gregg E. Hunter and Commercial      Bank & Trust of PA     | Filed      herewith                                                     |
|    |                                                                                                                  |                                                                    |
| 10.3    | Mutual      Release and Non-Disparagement Agreement between Commercial Bank of      Pennsylvania and Louis T. Steiner | Exhibit      10-3 to Form 10-K for the period ended December 31,  2003. |
|    |                                                                                                                  |                                                                    |
| 13      | Portions      of the Annual Report to Shareholders for the Fiscal year Ended December      31, 2008                   | Filed      herewith                                                     |
|    |                                                                                                                  |                                                                    |
| 14      | Code      of Ethics for Senior Financial Officers                                                                     | Filed      herewith                                                     |
|    |                                                                                                                  |                                                                    |
| 21      | Subsidiaries      of the Registrant                                                                                   | Filed      herewith                                                     |
|    |                                                                                                                  |                                                                    |
| 31.1    | Rule      13a-14(a)/15d-14(a) Certification of Chief Executive    Officer                                             | Filed      herewith                                                     |
|    |                                                                                                                  |                                                                    |
| 31.2    | Rule      13a-14(a)/15d-14(a) Certification of Chief Financial    Officer                                             | Filed      herewith                                                     |
|    |                                                                                                                  |                                                                    |
| 32.1    | Section      1350 Certification of Chief Executive Officer                                                            | Filed      herewith                                                     |
|    |                                                                                                                  |                                                                    |
| 32.2    | Section      1350 Certification of Chief Financial Officer                                                            | Filed      herewith                                                     |
|    |                                                                                                                  |                                                                    |
|    |                                                                                                                  |                                                                    |

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| SIGNATURES                                                                               |
|------------------------------------------------------------------------------------------|
|                                                                                     |
| Pursuant      to the requirements of Section 13 or 15(d) of the Securities      Exchange |
| Act      of 1934, the registrant has duly caused this report to be signed on      its    |
| behalf      by the undersigned, thereunto duly authorized.                               |
|                                                                                     |
|                                                                                     |
|                                                                                     |
|                                                                                     | COMMERCIAL      NATIONAL FINANCIAL CORPORATION |
|                                                                                     | (Registrant) |
|                                                                                     |   |
|                                                                                     |   |
|                                                                                     |   |
|                                                                                     | By:/s/      Gregg E. Hunter |   |
|                                                                                     | Gregg      E. Hunter, Vice Chairman, President |
|                                                                                     | and      Chief Executive Officer |
|                                                                                     |   |
| March      17, 2009                                                                      |
|                                                                                     |   |
|                                                                                     |   |
|                                                                                     | By:/s/      Thomas D. Watters |   |
|                                                                                     | Thomas      D. Watters, Senior Vice President |
|                                                                                     | and      Chief Financial Officer |
|                                                                                     |   |
| March      17, 2009                                                                      |

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| SIGNATURE AND CAPACITY                                                                                                     | DATE   |
|----------------------------------------------------------------------------------------------------------------------------|--------|
|                                                                                                                       |   |
| /s/      George V. Welty                                                                                                   |   | March      17, 2009 |
| George      V. Welty, Chairman of the Board and Director                                                                   |   |
| /s/      Gregg E. Hunter                                                                                                   |   | March      17, 2009 |
| Gregg      E. Hunter, Vice Chairman of the Board, Director, Chief Executive      Officer(principal      executive officer) |   |
|  /s/      Thomas D. Watters                                                                                           |   | March      17, 2009 |
| Thomas      D. Watters , Senior Vice President and Chief FinancialOfficer(principal      financial officer)                |   |
|  /s/      Wendy S. Schmucker                                                                                          |   | March      17, 2009 |
| Wendy      S. Schmucker, Secretary/Treasurer                                                                               |   |
| /s/      John T. Babilya                                                                                                   |   | March      17, 2009 |
| John      T. Babilya, Director                                                                                             |   |
| /s/      George A. Conti, Jr.                                                                                              |   | March      17, 2009 |
| George      A. Conti Jr., Director                                                                                         |   |
| /s/      Richmond H. Ferguson                                                                                              |   | March      17, 2009 |
| Richmond      H. Ferguson, Director                                                                                        |   |
| /s/      Dorothy S. Hunter                                                                                                 |   | March      17, 2009 |
| Dorothy      S. Hunter, Director                                                                                           |   |
| /s/      Frank E. Jobe                                                                                                     |   | March      17, 2009 |
| Frank      E. Jobe, Director                                                                                               |   |
| /s/      Steven H. Landers                                                                                                 |   | March      17, 2009 |
| Steven      H. Landers, Director                                                                                           |   |
| /s/      Joseph A. Mosso                                                                                                   |   | March      17, 2009 |
| Joseph      A. Mosso, Director                                                                                             |   |
| /s/  Bruce      A. Robinson                                                                                      |   | March      17, 2009 |
| Bruce      A. Robinson, Director                                                                                           |   |
|                                                                                                                       |   |
| /s/      Debra L. Spatola                                                                                                  |   | March      17, 2009 |
| Debra      L. Spatola, Director                                                                                            |   |
| /s/      C. Edward Wible                                                                                                   |   | March      17, 2009 |
| C.      Edward Wible, Director                                                                                             |   |   |

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| EXHIBIT TABLE OFCONTENTS                                                                                                                                                                             |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                 |
|                                                                                                                                                                                                 |
| Exhibit                                                                                                                                                                                              |   |
| Number                                                                                                                                                                                               | Description |
|                                                                                                                                                                                                 |   |
|                             10.1          |  Amended      and Reatated Employment Agreement between Gregg E. Hunter and Commercial       Bank & Trust of PA  |
|                                                                                                                                                                                                 |   |
| 13                                                                                                                                                                                                   | Portions      of the Annual Report to Shareholders for the Fiscal Year Ended December      31, 2008  |
| 14                                                                                                                                                                                                   | Code      of Ethics for Senior Financial Officers  |
| 21                                                                                                                                                                                                   | Subsidiaries      of the Registrant  |
| 31.1                                                                                                                                                                                                 | Rule      13a-14(a)/15d-14(a) Certification of Chief Executive Officer  |
| 31.2                                                                                                                                                                                                 | Rule      13a-14(a)/15d-14(a) Certification of Chief Financial Officer  |
| 32.1                                                                                                                                                                                                 | Section      1350 Certification of Chief Executive Officer |
|                                                                                                                                                                                                 |   |
| 32.2                                                                                                                                                                                                 | Section      1350 Certification of Chief FinancialOfficer |

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