William FitzAlanWilliam FitzAlan may refer to:William FitzAlan, Lord of Oswestry William FitzAlan, 1st Lord of Oswestry and Clun, son of the aboveWilliam FitzAlan, 2nd Lord of Oswestry and Clun William Fitzalan, 9th Earl of Arundel, descendant of the FitzAlans of OswestryWilliam Fitzalan, 11th Earl of Arundel