Carl Thompson may refer to:

Carl Thompson (boxer) (born 1964), British boxer Carl Thompson (luthier) (born 1939), American luthier Carl Thompson (obese man) (1981–2015), heaviest man in the United Kingdom Carl D. Thompson (1870–1949), American clergyman and politician from the Midwest Carl W. Thompson (1914–2002), American politician from Wisconsin

See also Karl R. Thompson (born ), American constitutional lawyer Carl Gustaf Thomson (1824–1899), Swedish entomologist