Robert Southwell

Robert Southwell may refer to:

• Robert Southwell (lawyer) (c. 1520–1559), English civil servant, High Sheriff and MP for Kent
• Robert Southwell (Jesuit) (c. 1561–1595), English Jesuit and poet, Catholic martyr
• Robert Southwell (died 1598), MP for Guildford (UK Parliament constituency)
• Robert Southwell (diplomat) (1635–1702), English diplomat, Secretary of State for Ireland and President of the Royal Society
• Robert Henry Southwell (1745–1817), Irish MP for Downpatrick