EXHIBIT 32.1

                               CCFNB BANCORP, INC.

                          CEO CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

            In connection with the Annual Report of CCFNB Bancorp, Inc. (the
"Company") on Form 10-K for the year-ended December 31, 2007, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Lance
O. Diehl, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that:

            1.    The Report fully complies with the requirements of Section
                  13(a) or 15(d) of the Securities Exchange Act of 1934; and

            2.    The information contained in the Report fairly represents,
                  in all material respects, the financial condition and result
                  of operations of the Company.

Date:  February 28, 2008                     /s/ Lance O. Diehl
                                             ------------------------------
                                             Lance O. Diehl
                                             Chief Executive Officer

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