FIDELITY (LOGO) INVESTMENTS(registered trademark) FMR Corp.
82 Devonshire Street
Boston MA 02109-3614
617 563 7000
January 22, 1998
Securities and Exchange Commission
Judiciary Plaza
450 Fifth Street, N.W.
Washington, D.C. 20549
Attention: File Room
Re: Fidelity Advisor Series IV (the trust):
Fidelity Institutional Short-Intermediate Government Fund (the
fund)
File Nos. 2-83672 and 811-3737
_____________________________________________________________________
____
Ladies and Gentlemen:
Transmitted herewith pursuant to Rule 497(j) under the Securities Act
of 1933 is certification that the Prospectus and Statement of
Additional Information with respect to the above referenced fund do
not differ from those filed in the most recent post-effective
amendment, which was filed electronically.
Very truly yours,
/s/ Eric Roiter
Eric Roiter
Secretary