William Crozier may refer to: William Crozier (artillerist) (1855–1942), American general, artillerist and inventor William Crozier (Scottish artist) (1893–1930) William Crozier (Irish artist) (1930–2011) William Crozier (cricketer) (1873–1916), Irish cricketer William Percival Crozier (1879–1944), British journalist and editor William Crozier (1839–1906), son and heir of John Crozier, South Australian pastoralist William John Crozier (1892–1955), American physiologist