William Orchard

William Orchard may refer to:
 * W. Arundel Orchard (William Arundel Orchard, 1867–1961), British-born Australian organist, composer and music educator
 * William E. Orchard (1877–1955), British preacher
 * Billy Orchard (1888–1965), Australian rules footballer
 * William Orchard (architect) (died 1504), English gothic architect
 * William Orchard (water polo) (1929–2014), Australian water polo player