William Salter may refer to:
William Sawtrey (died 1401), also known as William Salter William Salter (MP) (died 1404), English politician William Salter II (1732–1802), American politician from North Carolina William Salter (painter) (1804–1875), English artist William Salter (minister) (1821–1910), Congregational minister in Iowa, USA William Charles Salter (1823–1886), English clergyman, Oxford don, and principal of St Alban Hall William Mackintire Salter (1853–1931), philosopher and lecturer for the Ethical Culture Society, Chicago, Illinois, USA William Salter (cyclist) (born 2006), British cyclist