Lisa Ryder (born 26 October 1970) is a Canadian actress, who portrayed the role of Beka Valentine on the science fiction television series Gene Roddenberry's Andromeda.
Ryder was born in Edmonton, Alberta and attended the University of Toronto, where she began acting. She formed a local theatre group, Bald Ego Productions, in Toronto after graduation and landed her first film and television roles in the mid-1990s (such as a cameo in Babylon 5). She starred in many theater productions, including "Put Me Away," a one-woman show she wrote herself. She gained a following as Detective Tracy Vetter on the final season of the science fiction drama Forever Knight in 1995-1996, and was cast on the syndicated science-fiction series Andromeda in 2000; the series ended in 2005 after 110 episodes. She also co-starred as android Kay-Em 14 in the 2001 movie Jason X.