Gilbert Heathcote-Drummond-Willoughby

Gilbert Heathcote-Drummond-Willoughby may refer to:


 * Gilbert Heathcote-Drummond-Willoughby, 1st Earl of Ancaster PC (1830–1910), British Liberal politician and court official
 * Gilbert Heathcote-Drummond-Willoughby, 2nd Earl of Ancaster (1867–1951), British Conservative politician