George Simon Harcourt, 2nd Earl Harcourt, styled Viscount Nuneham until inheriting the title of Earl Harcourt in 1777, was an English politician, patron of the arts, and gardener.

Simon Harcourt, 1st Earl Harcourt,, known as Viscount Harcourt between 1727 and 1749, was a British diplomat and general who became Viceroy of Ireland.