Alfarita Constantia Marley OJ, OD (née Anderson; born 25 July 1946) is a Cuban-born Jamaican singer, songwriter and entrepreneur. She is the widow of reggae legend Bob Marley. Along with Marcia Griffiths and Judy Mowatt, she was a member of the reggae vocal group the I Threes, the backing vocalists for Bob Marley and the Wailers.

Rita was born in Santiago de Cuba, to Leroy Anderson and Cynthia “Beda” Jarrett, her parents moved to Kingston, Jamaica, when she was three months old. In her memoir No Woman No Cry: My Life with Bob Marley, she describes how she was raised by her Aunt Viola after her parents separated. She was raised in Trenchtown in Kingston, Jamaica.