Tammi Terrell (born Thomasina Winifred Montgomery; April 29, 1945 – March 16, 1970) was an American recording artist, best known as a star singer for Motown Records during the 1960s, most notably for a series of duets with singer Marvin Gaye.

Terrell's career began as a teenager, first recording for Scepter/Wand Records, before spending nearly two years as a member of James Brown's Revue, recording for Brown's Try Me label. After a period attending college, Terrell recorded briefly for Checker Records, before signing with Motown in 1965.