William Sanderson (disambiguation)

William Sanderson (born 1944) is an American actor.

William Sanderson may also refer to:
 * William Sanderson (historian) (c1586–1676), English historian
 * William Sanderson (footballer) (1885–1911), English footballer
 * William Siegel (1905–1990), born Wilhelm Tsiegelnitsky, sometimes known as William Sanderson), American painter and illustrator