William Underwood

William Underwood may refer to:

People

 * A. W. Underwood (1855–?), American man purported to have pyrokinetic abilities
 * William Lyman Underwood (1864–1929), American photographer
 * William D. Underwood, American university president
 * William Underwood (cricketer) (1852–1914), English cricketer

Other uses

 * William Underwood Company, American food company