COVER 6 filename6.txt SEWARD & KISSEL LLP 1200 G Street, N.W. Washington, DC 20005 Telephone: (202) 737-8833 Facsimile: (202) 737-5184 www.sewkis.com April 28, 2006 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Re: AllianceBernstein Variable Products Series Fund, Inc. File Nos. 33-18647 and 811-5398 ------------------------------------------------------ Dear Sir or Madam: Attached herewith please find Post-Effective Amendment No. 42 under the Securities Act of 1933 (the "1933 Act") and Amendment No. 43 under the Investment Company Act of 1940 to the Registration Statement on Form N-1A of AllianceBernstein Variable Products Series Fund, Inc. (the "Amendment"). The Amendment is filed pursuant to paragraph (b) of Rule 485 under the 1933 Act and is marked to show changes in accordance with Rule 310 of Regulation S-T. Please call me at the above-referenced number if you have any questions regarding the attached. Sincerely, /s/ Nora L. Sheehan --------------------- Nora L. Sheehan Attachment 00250.0292#663408