EXHIBIT 12(c)

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

Pursuant to 18 U.S.C. 1350, each of the undersigned, being the Principal
Executive Officer and Principal Financial Officer of AllianceBernstein Income
Fund, Inc. (the "Registrant"), hereby certifies that the Registrant's report on
Form N-CSR for the period ended December 31, 2006 (the "Report") fully complies
with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act
of 1934 and that the information contained in the Report fairly presents, in
all material respects, the financial condition and results of operations of the
Registrant.

Date: February 28, 2007

                                     By: /s/ Marc O. Mayer
                                         -----------------
                                         Marc O. Mayer
                                         President

                                     By: /s/ Joseph J. Mantineo
                                         ----------------------
                                         Joseph J. Mantineo
                                         Treasurer and Chief Financial Officer

This certification is being furnished solely pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 and is not being filed as part of the Report or as a
separate disclosure document.

A signed original of this written statement required by Section 906 has been
provided to the Registrant and will be retained by the Registrant and furnished
to the Securities and Exchange Commission or its staff upon request.