Peta Gia Wilson (born November 18, 1970 in Sydney, New South Wales) is an Australian actress and model.

First working as a model in Australia and Europe, she moved to Los Angeles where she studied acting. In 1997, she starred in the Canadian television action series Nikita (U.S. title: La Femme Nikita) playing the role of Nikita, codenamed Josephine, a martial arts trained covert agent. In 2003, Wilson appeared in the movie The League of Extraordinary Gentlemen with Sean Connery in the role of vampiress Mina Harker. In 2006, Peta Wilson is scheduled to appear as a flight attendant named Bobbie Faye in the upcoming film Superman Returns.