Octavia Lenora Spencer (born May 25, 1970) is an American actress. She has received various accolades, including an Academy Award, a British Academy Film Award, and a Golden Globe Award, in addition to nominations for two Primetime Emmy Awards.

Spencer made her film debut in the 1996 drama A Time to Kill. Following a decade of brief roles in film and television, her breakthrough came in 2011 when she played a maid in 1960s America in the drama film The Help, which won her the Academy Award for Best Supporting Actress. In ensuing years, she won the National Board of Review Award for Best Supporting Actress for her role in Ryan Coogler's biopic Fruitvale Station (2013), had a recurring role in the CBS sitcom Mom (2013–2015), and starred in the Fox drama series Red Band Society (2014–2015).