The speed of light is a physical constant, the rate at which light travels in a vacuum.
Speed of Light may also refer to:
- Speed of light (cellular automaton), the greatest rate of information propagation in a cellular automaton
Music
- "Speed of Light", a song by the band Orchestral Manoeuvres in the Dark, from their 1991 album Sugar Tax
- "Speed of Light", a song by guitarist Joe Satriani, from his 1993 album Time Machine
- "Speed of Light", a song by the band Stratovarius, from their 1996 album Episode
- "Speed of Light", a song by the band van Canto, from their 2008 album Hero
- "Speed of Light", a song by the band Teenage Fanclub, from their 1997 album Songs from Northern Britain
- "Speed of Light" (Speed song), a single by South Korea boy group Speed
- Speed of Light (album), a 2009 album by Corbin Bleu
- "Speed of Light" (Iron Maiden song), 2015
See also
- Faster than the speed of light (disambiguation)
- Lightspeed (disambiguation)
- The Speed of Darkness (disambiguation)
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