Robert Southwell

Robert Southwell may refer to:


 * Robert Southwell (lawyer) (c. 1506–1559), English civil servant, High Sheriff and MP for Kent
 * Robert Southwell (priest) (c. 1561–1595), English Jesuit and poet, Catholic martyr
 * Robert Southwell (died 1598) (1563–1598), MP for Guildford
 * 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