November 17, 1998
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
RE: Smith Barney Investment Funds Inc. (the "Registrant")
File No. 2-74288
Dear Sirs:
Pursuant to Rule 497(j) under the Securities Act of 1933, as
amended, please accept this letter as certification that the
Prospectus for the Registrant does not differ from that contained
in Post-Effective Amendment No. 52 filed on November 12, 1998:
Please return an electronic transmittal as evidence of your receipt
of this filing.
Very truly yours,
/s/Robert Nelson
Robert Nelson
Assistant Secretary
