Lord Thomson or Baron Thomson may refer to: Alexander Thomson (Baron of the Exchequer) (1744?–1817), English judge Alexander Thomson, Lord Thomson (1914–1979), Scottish judge Christopher Thomson, 1st Baron Thomson (1875–1930), British Army officer and Labour politician Baron Thomson of Fleet, a hereditary title created in 1964 Roy Thomson, 1st Baron Thomson of Fleet (1894–1976), Canadian-born British newspaper proprietor Kenneth Thomson, 2nd Baron Thomson of Fleet (1923–2006), Canadian-British businessman David Thomson, 3rd Baron Thomson of Fleet (born 1957), Canadian-British businessman George Thomson, Baron Thomson of Monifieth (1921–2008), British journalist and politician