Marlon Lamont Wayans (born July 23, 1972) is an American actor, comedian, writer, and producer. He is best known for his work with his brother Shawn Wayans on The WB sitcom The Wayans Bros. (1995–1999) and the comedy films Don't Be a Menace (1996), Scary Movie (2000), Scary Movie 2 (2001), White Chicks (2004), Little Man (2006), and Dance Flick (2009).

Wayans' other film credits include Above the Rim (1994), The 6th Man (1997), Norbit (2007), G.I. Joe: The Rise of Cobra (2009), The Heat (2013), A Haunted House (2013) and its sequel A Haunted House 2 (2014), Naked (2017), Fifty Shades of Black (2016), Sextuplets (2019), and On the Rocks (2020). He also had several dramatic roles, including the psychological drama film Requiem for a Dream (2000).

Wayans partnered with Randy Adams to create What the Funny, an online destination for urban comedy. He created the comedy competition television show Funniest Wins, which aired on TBS in 2014. In 2014, Wayans and his brothers travelled the U.S. with "The Wayans Brothers Tour". In 2017, he co-wrote and starred in the NBC sitcom Marlon, which ran for two seasons.