Clarence Reginald Jenkins (January 10, 1898 - December 6, 1968), nicknamed "Fats", was an American professional baseball and basketball player from about 1920 to 1940. He played when both professional sports were racially segregated as an African-American. Primarily he played left field in baseball's Negro leagues, and point guard for the barnstorming New York Renaissance on the hardwood, where he was also team captain. He was inducted into the Naismith Memorial Basketball Hall of Fame as part of the Class of 2021.