Arthur Charles Wellesley, 4th Duke of Wellington, (15 March 1849 – 18 June 1934), styled Lord Arthur Wellesley from 1884 to 1900, was a British peer and politician, and a member of the well-known Wellesley family.
He joined the military and served in the Household Division.
Upon his childless brother's death in 1900, he inherited the family title and estates.