Henry Mervyn

Henry Mervyn may refer to:


 * Sir Henry Mervyn (died 1646), English MP for Hindon (UK Parliament constituency)
 * Henry Mervyn (died 1699), Irish MP for Augher (Parliament of Ireland constituency) and County Tyrone
 * Henry Mervyn (died 1748), Irish MP for Augher and County Tyrone (Parliament of Ireland constituency)