William Slade may refer to: William Slade (politician) (1786–1859), American politician, governor of Vermont William Slade (valet), employee of President Lincoln Will Slade (born 1983), Australian footballer William Slade (athlete) (1873–1941), 1908 Olympics tug of war competitor Bill Slade (William Slade, 1898–1968) English football manager Billy Slade (William Douglas Slade, 1941–2019), Welsh cricketer