William Grundy

William Grundy may refer to:
 * William Grundy (footballer, fl. 1906–1911), midfielder for Blackpool and Bolton Wanderers
 * William Grundy (footballer, born 1914) (1914 – after 1935), English footballer for Coventry City and Mansfield Town
 * William Mitchell Grundy, English headmaster
 * William Grundy, a character on the radio series The Archers
 * Bill Grundy, English television presenter
 * Bill Grundy (footballer), Australian rules footballer