Speed of light (disambiguation)
- Episode (Stratovarius album)
- Faster than the speed of light (disambiguation)
- Hero (van Canto album)
- Lightspeed (disambiguation)
- Refractive index
- Songs from Northern Britain
- Speed of Light (Iron Maiden song)
- Speed of Light (Speed song)
- Speed of Light (album)
- Speed of light (cellular automaton)
- Star Line (album)
- Sugar Tax (album)
- The Speed of Darkness (disambiguation)
- Time Machine (Joe Satriani album)