Henry Wellesley

• Henry Wellesley, 1st Baron Cowley, diplomat, brother of the 1st Duke of Wellington
• Henry Wellesley (1794–1866), scholar, youngest child of Richard Wellesley, 1st Marquess Wellesley, a nephew of the 1st Duke of Wellington
• Henry Wellesley, 3rd Duke of Wellington, politician
• Henry Wellesley, 1st Earl Cowley, British diplomat
• Henry Wellesley, 3rd Earl Cowley
• Henry Wellesley, 6th Duke of Wellington, British peer and politician
• Henry Wellesley (1804 ship), a barque that made three whaling voyages and two voyages carrying convicts to Australia before she was wrecked in 1841.