K
- Michael Kandel (born 1941), USA, part-time editor at Harcourt; edits Ursula K. Le Guin's work
- Marvin Kaye (born 1938), USA, horror anthologist, editor of H. P. Lovecraft's Magazine of Horror
- Sara King, (born 1982), USA, science fiction writer, fiction editor for Aberrant Dreams
- Gérard Klein, (born 1937) French book editor
- Damon Knight (1922–2002), USA, editor of the Orbit series of original anthologies
- Jak Koke (born 1964), USA, fantasy author and managing editor of Per Aspera Press
- Edward E. Kramer (born 1961), USA, anthologist and author
- Péter Kuczka (1923–1999), noted Hungarian editor of Galaktika 1972–1995
- David Kyle (born 1919) co-founder of Gnome Press
Read more about this topic: List Of Science Fiction Editors