William Proctor may refer to:

Will Proctor, American football player William Proctor (Salem witch trials), one of the accused in the Salem witch trials William Proctor (Australian politician) (1850–1905), New South Wales politician William Proctor (UK politician) (1896–1967), Labour Party Member of Parliament (MP) for Eccles 1945–1964 William Beauchamp-Proctor (1781–1861), British Royal Navy officer William H. Proctor (1827-1902), member of the Wisconsin State Assembly William L. Proctor (born 1933), Republican Party member of the Florida House of Representatives

See also William Procter (disambiguation)