Sir John Trevelyan, 4th Baronet

Portrait of Sir John Trevelyan, 4th Bt, painted by George Romney
Nettlecombe Court in Somerset, seat of the Trevelyan baronets

Sir John Trevelyan, 4th Baronet (6 February 1735 – 18 April 1828) was a British politician who sat in the House of Commons from 1777 to 1796.