Marcia Barrett (born 14 October 1948) is a Jamaican-British singer and one of the original singers with the vocal group Boney M.

Barrett was born in Saint Catherine Parish, British Jamaica; her parents brought her to Croydon, England in 1963. In the late 1960s she moved to Germany, where she joined a band and toured with Karel Gott and Rex Gildo. In 1971 she signed to Metronome Records and made her first record, “Could Be Love”, written by Drafi Deutscher. At the same time she kept touring with such songs as “Son of a Preacher Man“, “Oh Happy Day” and “Big Spender”