Light Fantastic may refer to:
Film and TV edit
- Light Fantastic (TV series), a BBC Four documentary television series about the history and discovery of light
- "The Light Fantastic", an episode of ABC Stage 67
- "The Light Fantastic", an episode of Pokémon
Other edit
- The Light Fantastic, a satirical fantasy novel by Terry Pratchett
- The Light Fantastic, a Star Trek novel
- Light Fantastic (album), a 1999 album by Steve Roach