Encyclopedia of Science Fiction

Encyclopedia of Science Fiction or Science Fiction Encyclopedia may refer to:


 * The Encyclopedia of Science Fiction and Fantasy (first volume published in 1974), edited by Donald H. Tuck
 * The Visual Encyclopedia of Science Fiction (published 1977), edited by Brian Ash
 * The Encyclopedia of Science Fiction (first edition published 1979; now online), edited by Peter Nicholls and John Clute
 * Encyclopedia of Science Fiction (1978 book), with consultant editor Robert Holdstock
 * The Greenwood Encyclopedia of Science Fiction and Fantasy (2005), edited by Gary Westfahl
 * Encyclopedia of Science Fiction (2005 book), by Don D'Ammassa
 * Science Fact and Science Fiction: An Encyclopedia (2006), by Brian Stableford