William Magee Crozier (5 December 1873 in Dublin, Ireland – 1 July 1916 in Thiepval, France) was an Irish cricketer. A right-handed batsman, he played one first-class match for Dublin University against Leicestershire in June 1895. He was a barrister by profession who served as a Lieutenant in the 9th battalion of the Royal Inniskilling Fusiliers and was killed in action on the first day on the Somme during the First World War.