Horace C. Stoneham (April 27, 1903 — January 7, 1990) was the principal owner of Major League Baseball's New York/San Francisco Giants from the death of his father, Charles Stoneham, in 1936 until 1976. During his ownership, the team won National League pennants in 1936, 1937, 1951, 1954 and 1962, a division title in 1971, and a World Series title in 1954. He was born in Newark, New Jersey.