Thomas McCarthy (also Tom and Tommy) may refer to:
Academia Thomas A. McCarthy (born 1940), American professor of philosophy Thomas J. McCarthy (born 1956), American professor of polymer chemistry at the University of Massachusetts J. Thomas McCarthy, American law professor
Arts and entertainment Thomas McCarthy (poet) (born 1954), Irish poet J. Thomas McCarthy (born 1937), American educator, author and attorney Tom McCarthy (director) (born 1966), American director, screenwriter and actor Tom McCarthy (novelist) (born 1969), English novelist, writer, and artist Tom McCarthy (sound editor), American sound editor
Sports Baseball Tommy McCarthy (baseball) (1863–1922), MLB outfielder Tom McCarthy (1900s pitcher) (1884–1933), Major League Baseball (MLB) pitcher, 1908–1909 Tom McCarthy (1980s pitcher) (born 1961), MLB pitcher, 1985–1989
Ice hockey Tommy McCarthy (ice hockey) (1893–1959), NHL player for the Quebec Bulldogs and Hamilton Tigers Tom McCarthy (ice hockey, born 1934) (1934–1992), NHL player for the Red Wings and Bruins Tom McCarthy (ice hockey, born 1960) (1960–2022), NHL player for the North Stars and Bruins
Other sports Thomas McCarthy (footballer) (1868–?), Welsh footballer Thomas R. McCarthy (1933–2016), American Thoroughbred racehorse owner & trainer Tommy McCarthy (hurler) (1906–1968), Irish hurler Tom McCarthy (sportscaster) (born 1968), sports broadcaster Tommy McCarthy (boxer) (born 1990), Irish boxer Tom McCarthy (footballer) (born 2000), Australian rules footballer
Others Thomas McCarthy (Syracuse politician) (1786–1848), businessman and political figure from Syracuse, New York Thomas McCarthy (Canadian politician) (1832–1870), Quebec businessman and political figure Tom McCarthy (trade unionist) (died 1899), British Irish trade union leader Thomas Ignatius McCarthy (1880–1951), architect based in Coalville, Leicestershire Thomas Joseph McCarthy (1905–1986), Canadian Roman Catholic clergyman and bishop
See also Thomas Macarthy, New Zealand brewer and benefactor