William Tennant Brown (August 3, 1918 – December 29, 2002) was an American triple jumper, long jumper and sprinter. Between 1936 and 1943 he won six national outdoor championship titles in the triple jump and three in the long jump. He was the long jump world leader in 1941 and held the American record in the triple jump from 1941 to 1956. He competed in the triple jump at the 1936 Summer Olympics, placing 17th.