Charles Henry Gordon-Lennox, 7th Duke of Richmond and Lennox, 2nd Duke of Gordon,, 7th Duke of Aubigny, styled Lord Settrington until 1860 and Earl of March between 1860 and 1903, was a British politician and peer.

Duke of Aubigny is a title that was created in the Peerage of France in 1684. It was granted by King Louis XIV of France to Louise de Kérouaille, the last mistress of King Charles II of England, and to descend to Charles's illegitimate issue by her, namely to the descendants of Charles Lennox, 1st Duke of Richmond, 1st Duke of Lennox (1672–1723) of Goodwood House in Sussex. Louis XIV also granted her the Château de la Verrerie, a former secondary seat of the Stewart Seigneurs d'Aubigny, Franco-Scottish cousins of the Stewart monarchs, seated from 1422 to 1672 at the Château d'Aubigny in the parish and manor of Aubigny-sur-Nère in the ancient province of Berry in France.