William Morice
William Morice may refer to:
- William Morice (died 1554), MP
- William Morice (Secretary of State), English Secretary of State 1660-8, Member of Parliament for Devon, Newport and Plymouth
- Sir William Morice, [1st Baronet], his eldest son, Member of Parliament for Newport 1689-1690
- William Morice (1660-1688), eldest son of the 1st Baronet, Member of Parliament for Newport 1681-1688
- Sir William Morice, [3rd Baronet], Member of Parliament for Newport 1727-1734, and for Launceston 1734-1750
- William Morice (Archdeacon of Armagh)