Richard John Warburton Lytton FRS (né Warburton; 26 August 1745 – 29 December 1810) was an English landowner and member of the Lytton family. He was the father of Elizabeth Barbara Lytton, and the grandfather of Henry Bulwer, 1st Baron Dalling and Bulwer and Edward Bulwer-Lytton, 1st Baron Lytton.