Woosnam is a surname. Notable people with the surname include:
George Woosnam (1860–1935), Welsh footballer Ian Woosnam (born 1958), Welsh golfer Martin Woosnam (1903–1962), English footballer Max Woosnam (1892–1965), English sportsman Maxwell Woosnam (priest) (1856–1930), British Anglican archdeacon Phil Woosnam (1932–2013), Welsh footballer and manager