James Wentworth Buller (1 October 1798 – 13 March 1865) of Downes, Crediton, Devon, was a British Whig[1] Member of Parliament for Exeter, in Devon, from 1830 to 1835, and for North Devon from 1857 to 1865.
He was the son of James Buller (1766–1827), MP, of Downes, the grandson of James Buller (1717-1765), MP.
He married Charlotte Juliana Jane Howard-Molyneux-Howard, daughter of Lord Henry Thomas Howard-Molyneux-Howard and Elizabeth Long, on 5 October 1831. His children were: