William Armistead
William Armitstead may refer to:
- William Armistead (burgess), represented Elizabeth City, Virginia in the Virginia House of Burgesses
- William Armistead (1754–1793), slave owner and namesake of former slave and spy James Armistead Lafayette
- William Armistead (1762–1842), Revolutionary war veteran and Alabama pioneer
- William Martin Armistead, publicist for the N. W. Ayer & Son advertising agency
- * William Martin Armistead House