Best Novel
- The Sword in the Stone, T. H. White (Collins)
- Out of the Silent Planet, C. S. Lewis (The Bodley Head)
- Galactic Patrol, E. E. Smith (Astounding Stories, February 1938)
- The Legion of Time, Jack Williamson (Astounding Science-Fiction, July 1938)
- Carson of Venus, Edgar Rice Burroughs (Argosy, February 1938)
Best Novella
- “Who Goes There?”, Don A Stuart [John W. Campbell] (Astounding Science-Fiction, August 1938)
- “The Time Trap”, Henry Kuttner (Marvel Science Stories, November 1938)
- “Sleepers of Mars”, John Beynon [John Wyndham] (Tales of Wonder, March 1938)
- “A Matter of Form”, H. L. Gold (Astounding Science-Fiction, December 1938)
- Anthem, Ayn Rand (Cassell)
Best Novelette
- “Rule 18”, Clifford D. Simak (Astounding Science-Fiction, July 1938)
- “Pigeons From Hell”, Robert E. Howard (Weird Tales, May 1938)
- “Werewoman”, C. L. Moore (Leaves #2, Winter 1938)
- “Hollywood on the Moon”, Henry Kuttner (Thrilling Wonder Stories, April 1938)
- “Dead Knowledge”, Don A. Stuart [John W. Campbell] (Astounding Stories, January 1938)
Best Short Story
- “How We Went to Mars”, Arthur C. Clarke (Amateur Science Stories, March 1938)
- “Helen O’Loy”, Lester del Rey (Astounding Science-Fiction, December 1938)
- “Hollerbochen’s Dilemma”, Ray Bradbury (Imagination!, January 1938)
- “Hyperpilosity”, L. Sprague de Camp (Astounding Science-Fiction, April 1938)
- “The Faithful”, Lester del Rey (Astounding Science-Fiction, April 1938)