Pervis Jackson (May 17, 1938 – August 18, 2008) was an American R&B singer, noted as the bass singer for The Spinners, and was one of the group's original members.
Born in New Orleans, Louisiana, Jackson was perhaps best known for his line of "12:45" from the group's Billboard chart, Top 10 hit, "They Just Can't Stop It (Games People Play)". Jackson was still a part of The Spinners up to his death from cancer at the age of 70, in Detroit, Michigan, on August 18, 2008.