Bill Foster may refer to:

Sports

• Bill Foster (baseball) (1904–1978), Negro leagues baseball player
• Bill Foster (basketball, born 1929) (1929–2016), college basketball head coach at Rutgers, Utah, Duke, South Carolina, and Northwestern
• Bill Foster (basketball, born 1936) (1936–2015), college basketball head coach at Charlotte, Miami, Clemson, and Virginia Tech

Politics

• Bill I. Foster (born 1946), American politician, Missouri state senator
• Bill Foster (politician) (born 1955), U.S. Congressman (D-IL), physicist
• Bill Foster (mayor) (born 1963), mayor of St. Petersburg, Florida

Entertainment

• Bill Foster (director) (1932–2011), television director
• Bill Foster (comics), fictional Marvel Comics superhero known variously as Black Goliath, Giant-Man, and Goliath

See also

• Billy Foster (1937–1967), Canadian racecar driver
• William Foster (disambiguation)