Lisa Olivia Munn (born July 3, 1980) is an American actress and former television host. After an internship at a news station in Tulsa, she moved to Los Angeles where she began her professional career as a television host for the gaming network G4, primarily on the series Attack of the Show! from 2006 until 2010. She appeared as a correspondent on The Daily Show with Jon Stewart from 2010 to 2011. She is known for her three-season-long portrayal of Sloan Sabbith in Aaron Sorkin's HBO political drama series The Newsroom (2012–2014).

Munn worked as an actress in the late 2000s, recurring on the television series Beyond the Break from 2006 to 2009, and appearing in supporting roles in the comedy films Big Stan (2007) and Date Night (2010), the superhero film Iron Man 2 (2010), and Steven Soderbergh's comedy-drama Magic Mike (2012). She starred in the supernatural horror film Deliver Us from Evil (2014), the comedy Mortdecai (2015), and X-Men: Apocalypse (2016) as Psylocke. In 2017, she provided the voice of Koko in The Lego Ninjago Movie, and had appeared in the History Channel series Six (2017). In 2018, she had a leading role in the science fiction film The Predator, the fourth film in the Predator franchise.