Jewel Belair Staite (born June 2, 1982) is a Canadian actress. She is known for her roles as Kaylee Frye in the Fox television series Firefly and its spin-off theatrical film Serenity, and as Jennifer Keller on Sci-Fi Channel's science fiction television series Stargate Atlantis.
On Nickelodeon, Staite played the role as Catalina in the series Space Cases. She also appeared on Are You Afraid of the Dark? as Kelly in the episode "The Tale of Watcher's Woods" and Cody in the episode "The Tale of the Unfinished Painting".