Eyewitness may refer to:
- Witness, someone who has knowledge about a crime or dramatic event through first-hand experience via any of the senses
- Eyewitness (TV series), natural history television series
- Eyewitness (Royal Hunt album)
- Eyewitness (Kayak album)
- The pseudonym of writer Ernest Dunlop Swinton
- Eyewitness (1956 film), a British film starring Donald Sinden
- Eyewitness (1970 film), a film starring Mark Lester
- Eyewitness (1981 film), a thriller starring William Hurt, Sigourney Weaver and Christopher Plummer
- Eyewitness (1999 film), nominated for an Academy Award for Best Short Documentary
- Eyewitness Books