Charles Lennox, 2nd Duke of Richmond, 2nd Duke of Lennox, 2nd Duke of Aubigny, of Goodwood House near Chichester in Sussex, was a British nobleman and politician. He was the son of Charles Lennox, 1st Duke of Richmond, 1st Duke of Lennox, the youngest of the seven illegitimate sons of King Charles II. He was the most important of the early patrons of the game of cricket and did much to help its evolution from village cricket to first-class cricket.

Charles Lennox, 1st Duke of Richmond, 1st Duke of Lennox, of Goodwood House near Chichester in Sussex, was the youngest of the seven illegitimate sons of King Charles II, and was that king's only son by his French-born mistress Louise de Kérouaille, Duchess of Portsmouth. He was appointed Hereditary Constable of Inverness Castle.