J
- John Jakes (born 1932)
- Phil Janes
- Laurence Janifer (1933–2002)
- Wolfgang Jeschke (born 1936)
- K. W. Jeter (born 1950)
- Michel Jeury (born 1934)
- George Clayton Johnson (born 1929)
- D. F. Jones (1917–1981)
- Gwyneth Jones (born 1952)
- Neil R. Jones (1909–1988)
- Raymond F. Jones (1915–1994)
- Diana Wynne Jones, (1934 - )
- Robert Jordan, (1948–2007)
- M. K. Joseph (1914–1981)
- Theodore Judson
Read more about this topic: List Of Science Fiction Authors