List of joint winners of the Hugo and Nebula awards

This is a list of the works that have won both the Hugo Award and the Nebula Award (or the Ray Bradbury Award, given in place of the Nebula Award for Best Script since 2009[1]), given annually to works of science fiction or fantasy literature. The Hugo Awards are voted on by science-fiction fans at the World Science Fiction Convention (Worldcon); the Nebula Awards—given by the Science Fiction and Fantasy Writers of America (SFWA)—began in 1966, making that the first year joint winners were possible.

The categories are defined by number of words, as follows:

• Novel: >39,999 words
• Novella: 17,500 - 39,999 words
• Novelette: 7,500 - 17,499 words
• Short story: <7,500 words