Sanaa McCoy Lathan (/səˈnɑ/ born September 19, 1971) is an American stage, film, television, and voice actress. She is the daughter of actress Eleanor McCoy and film director Stan Lathan. She earned bachelor's degree in English from University of California, Berkeley, and a master's degree in drama from Yale.

She is best known for her roles as Robyn in The Best Man films and subsequent TV miniseries on Peacock, Naomi Hicks on Netflix's Hit & Run, Violet Jones in Nappily Ever After, Ashe Akino on Fox's drama Shots Fired, Deputy Director Natalie Austin in Now You See Me 2 (2016), Leah Vaughn in The Perfect Guy (2015), Jenelle Wilson on Showtime's drama The Affair, Mona Fredricks on Starz' drama Boss, Andrea in Tyler Perry's The Family That Preys (2008), Beneatha Younger in ABC's film adaptation of A Raisin in the Sun (2008), Kenya McQueen in Something New (2006), Ann Merai Harrison in Out of Time (2004), Sidney 'Sid' Shaw in Brown Sugar (2002), Monica Wright in Love & Basketball (2000), Zora Banks in Disappearing Acts (2000), Alicia in The Wood (1999), Vanessa Brooks - the mother of Wesley Snipes' title character - in Blade (1998), and Briana Gilliam on NBC's sitcom Lateline.