Novelette
- Winner: “The Manamouki”, Mike Resnick (Asimov's Jul 1990)
- “A Braver Thing”, Charles Sheffield (Asimov's Feb 1990)
- “The Coon Rolled Down and Ruptured His Larinks, A Squeezed Novel by Mr. Skunk”, Dafydd ab Hugh (Asimov's Aug 1990)
- “Over the Long Haul”, Martha Soukup (Amazing Stories Mar 1990)
- “Tower of Babylon”, Ted Chiang (Omni Nov 1990)
Dramatic Presentation
- Winner: Edward Scissorhands
- Back to the Future III
- Ghost
- Total Recall
- The Witches
Semi-prozine
- Winner: Locus, Charles N. Brown, ed.
- Interzone, David Pringle, ed.
- The New York Review of Science Fiction, David G. Hartwell, Kathryn Cramer & Gordon Van Gelder, eds.
- Quantum, D. Douglas Fratz, ed. (formerly Thrust)
- Science Fiction Chronicle, Andrew Porter, ed.
Fanzine
- Winner: Lan's Lantern, George "Lan" Laskowski, ed.
- File 770, Mike Glyer, ed.
- FOSFAX, Janice Moore & Timothy Lane, eds.
- Mainstream, Jerry Kaufman & Suzanne Tompkins, eds.
- Mimosa, Dick & Nicki Lynch, ed.
— Associated Awards —
Special Award
- Winner: Elst Weinstein, for starting up and continuing the Hogus
- Winner: Andrew I. Porter, for many years of excellence in editing Science Fiction Chronicle