Lauren Cohan (born January 7, 1982) is an English-American actress and model. She is known for her role as Maggie Greene on the horror drama series The Walking Dead (2011–present).

She is also known for her roles as Bela Talbot on the fantasy horror series Supernatural (2007–08), Rose on the supernatural drama series The Vampire Diaries (2010–12), and Vivian McArthur Volkoff on the action comedy series Chuck (2011). In addition to her television career, Cohan has also appeared in several films, such as the comedy film Van Wilder: The Rise of Taj (2006), the psychological thriller horror film The Boy, the superhero film Batman v Superman: Dawn of Justice (2016), and the biographical drama All Eyez on Me (2017).