Lord Melchett refers to any of the Barons Melchett, a title in the Peerage of the United Kingdom, held by: Alfred Mond, 1st Baron Melchett (1868–1930) Henry Mond, 2nd Baron Melchett (1898–1949) Julian Mond, 3rd Baron Melchett (1925–1973) Peter Mond, 4th Baron Melchett (1948-2018) The baronetcy was extinguished by the fourth when he refused marriage.
Additionally, a fictional character in the second and fourth series of the British sitcom Blackadder, was played by Stephen Fry. See List of Blackadder characters#Melchett