Mary Faber is an American actress, singer, and voice actor with a career that spans Broadway, television, and animation. She was born Mary Benton Faber on August 8, 1979, in Greenville, North Carolina, and is a graduate of the Governor's School for the Arts and Brandeis University. Her professional career began in the mid-2000s, and she is known for her versatility across live performance and voice work.

Faber's most prominent credit in anime is her role as Ritsuko Akagi in the Rebuild of Evangelion film series. She voices the character in the English dub for the films Evangelion: 2.0 You Can (Not) Advance, Evangelion: 3.0 You Can (Not) Redo, and Evangelion: 3.0+1.0: Thrice Upon a Time. This casting was part of a new English dub produced for the films' release on Amazon Prime Video.

Beyond her work in anime, Faber has built an extensive career in voice acting for Western animation and video games. Her voice roles include Medusa and Crystal in series such as Hulk and the Agents of S.M.A.S.H. and Ultimate Spider-Man, as well as Morbidia in Mighty Magiswords. She also provided voices for the video games Marvel Heroes, Grand Theft Auto V, The Elder Scrolls Online, and Marvel Ultimate Alliance 3: The Black Order. In recent years, her voice work has been heard in animated series like The Fungies! as Teacher Terry, The Boss Baby: Back in the Crib as Tina Templeton, and in the feature film The Addams Family 2.

Prior to and alongside her voice acting career, Faber has had a significant presence on stage. She made her Broadway debut in Q, playing the roles of Kate Monster and Lucy T. Slut. She originated the role of Heather in the Broadway production of American Idiot and starred as Smitty in the 2011 revival of How to Succeed in Business Without Really Trying. Her television appearances include a recurring role as Kathryn Pinewood, a Sweetums lobbyist, on the NBC comedy Parks and Recreation, as well as guest roles on series like The Good Wife, Nurse Jackie, The Brink, and Kidding.