Aunjanue L. Ellis (born February 21, 1969) is an American film, stage, and television actress, and producer. She began her acting career in theater, and made her film debut in Girls Town. She later had leading roles in a number of independent movies, and co-starred in several mainstream films.

Ellis is best known for her roles in films Men of Honor (2000), The Caveman's Valentine (2001), Undercover Brother (2002), Ray (2004), The Express (2008), The Taking of Pelham 123 (2009) and The Help (2011). On television, Ellis had regular role in the ABC police drama series High Incident (1996–97), and later co-starred in a number of short-lived dramas. She had recurring roles on The Practice, True Blood, and The Mentalist, and played roles in a number of made for television movies, such as Gifted Hands: The Ben Carson Story (2009) and Abducted: The Carlina White Story (2013).

In 2015, Ellis played the leading role in the miniseries The Book of Negroes, based on bestselling novel by Lawrence Hill. She received critical acclaim and a Critic's Choice Award nomination for Best Actress in a Movie/Miniseries. Since 2015, she has been starring as Miranda Shaw in the ABC thriller series Quantico. In 2016, Ellis played Nancy Turner, Nat Turner's mother, in the critically acclaimed period drama film, The Birth of a Nation.