William Grieve may refer to:
Percy Grieve (William Percival Grieve, 1915–1998), British politician Bill Grieve (1900–1979), American baseball umpire William Grieve (bridge) (1929–2017), American bridge player William Robertson Grieve, Lord Grieve (1917–2005), Scottish judge William Grieve (painter) (1800–1844), English scene-painter See also William Greaves (disambiguation) William Greive (1888–1916), Scottish cricketer and British Army soldier