Arthur Wellesley
Arthur Wellesley may refer to:
- Arthur Wellesley, 1st Duke of Wellington (1769–1852), Anglo-Irish soldier and British prime minister
- Arthur Wellesley, 2nd Duke of Wellington (1807–1884), British soldier and nobleman
- Arthur Wellesley, 4th Duke of Wellington (1849–1934), British soldier and nobleman
- Arthur Wellesley, 5th Duke of Wellington (1876–1941), British soldier and nobleman
- Arthur Wellesley, Marquess of Douro (born 1978), grandson of the 8th Duke
- Arthur Wellesley Hughes (1870–1950), also known as Arthur Wellesley, Canadian musician and composer
- Arthur Wellesley, 4th Earl Cowley (1890–1962), British actor and nobleman