(Thomas) Richard John Long Chaloner, 3rd Baron Gisborough (born 1 July 1927) is a British peer.
Chaloner was born at Hurworth Old Hall, Darlington, the son of Thomas Chaloner, 2nd Baron Gisborough, and Esther Hall. He succeeded his father as Baron Gisborough in 1951. In 1967 he was appointed to the Board of Universal Television Yorkshire. In 1973, he was appointed deputy lieutenant of the North Riding of Yorkshire and in 1981 he became Lord Lieutenant of Cleveland. Lord Gisborough was the only member of the House of Lords to be in place for the accession of Queen Elizabeth II and to be living for the accession of her successor, King Charles III.