Jacqueline Steiner (born c. 1924) is an American folk singer, songwriter and social activist. Steiner is known for having written the lyrics to the song "M.T.A.", about a man stuck on the Boston subway because he could not pay the exit fare. "M.T.A." was co-written with Bess Lomax Hawes as part of a Boston political campaign in 1949 and later altered slightly by the popular folk group the Kingston Trio, becoming one of their hits in 1959.