William "Pop" Gates (August 30, 1917 – December 1, 1999) was an American professional basketball player. He was born in Decatur, Alabama and attended high school in New York, New York. After playing college basketball at Clark Atlanta University, he continued his basketball career in New York City with the Harlem Renaissance, for several years beginning in 1938–39. He became one of the early black players in the NBL in 1946. Later he played for and coached the Harlem Globetrotters. Gates is one of the few athletes who went directly from a high school championship team (Benjamin Franklin, New York, 1938) to a World Professional Champion (Rens, 1939).