Angela Marie Bettis (born January 9, 1973) is an American film and stage actress, film producer, and director best known for her lead roles in the 2002 TV adaptation of the Stephen King novel Carrie, the title character in May (2002), and in Girl, Interrupted as an anorexic psychiatric patient Janet Webber.

In addition to her work in film, Bettis also starred in two Broadway productions: The Father in 1996 with Frank Langella, and as Abigail Williams in a 2002 revival of Arthur Miller's The Crucible alongside Liam Neeson and Laura Linney.