Thomas, Tom or Tommy Ryan may refer to:

• Thomas Ryan (Commandant) (c. 1790–??), soldier and penal administrator
• Thomas Ryan (Quebec politician) (1804–1889), businessman and Senator from Quebec
• Thomas Ryan (Kansas politician) (1837–1914), Congressional representative from Kansas
• Thomas Ryan (Canadian politician) (1849–1937), Canadian politician
• Tommy Ryan (politician) (1852–?), Australian politician, member of the Queensland Legislative Assembly
• Thomas Ryan (1870–1943), Australian politician, member of both the Victorian Legislative Assembly and South Australian House of Assembly
• T. J. Ryan (1876–1921), Australian politician, Premier of Queensland, Australia (1915–1919), also New South Wales Parliament member (1921)
• Thomas Jefferson Ryan (1888–1968), Congressional representative from New York
• Thomas Ryan (Irish Army officer) (1893–1980), I.R.A. Commander and Lt. Col. Irish Defence Forces
• Thomas Ryan (New South Wales politician) (1895–1972), Australian politician, member for Auburn in the New South Wales Legislative Assembly
• Thomas J. Ryan (admiral) (1901–1970), American admiral and Medal of Honor recipient
• Thomas P. Ryan Jr. (1928–2003), mayor of Rochester, New York
• Thomas M. Ryan Jr. (born 1928), United States Air Force general

• Tom Ryan (business executive), (Thomas V. Ryan), CEO and president of Paramount Streaming and Founder of Pluto TV
• Thomas Ryan (businessman), executive at CVS Corporation
• Thomas Fortune Ryan (1851–1928), U.S. businessman
• Tony Ryan (Thomas Anthony Ryan, 1936–2007), Irish founder of Ryanair
• Thomas Ryan (businessman), executive at the National Basketball Association (NBA)

• Tommy Ryan (Boherlahan–Dualla hurler) (fl. 1890s), Irish hurler for Tipperary and Boherlahen-Dualla
• Tommy Ryan (Thurles Sarsfields hurler) (fl. 1940s–1950s), Irish hurler for Tipperary and Thurles Sarsfields
• Tom Ryan (Toomevara hurler) (1941–1970), Irish hurler for Tipperary and Toomevara
• Tom Ryan (Killenaule hurler) (1941–2023), Irish hurler for Tipperary and Killenaule
• Tom Ryan (Limerick hurler) (born 1944), Irish hurler for Limerick and Ballybrown, later a manager
• T. J. Ryan (hurler) (born 1974), Irish hurler for Limerick and Garryspillane
• Thomas Ryan (Waterford hurler) (born 1989), Irish hurler for Waterford and Tallow

• Thomas Ryan (rugby union) (1864–1927), New Zealand rugby player who played for the All Blacks in 1884
• Thomas Ryan (cricketer) (1865–1921), Australian cricketer
• Tommy Ryan (1870–1948), American bareknuckle boxer
• Tommy Ryan (Australian footballer) (1873–1948), Australian rules footballer for Melbourne and St Kilda
• Thomas Ryan (American football) (fl. 1920s), American college football and basketball player
• Tom Ryan (Australian footballer) (1924–2017), Australian rules footballer for South Melbourne
• Tommy Ryan (rugby league) (1930–2023), Australian rugby league footballer
• Tommy Ryan (Gaelic footballer) (born 1967), Irish Gaelic footballer
• Ogre 2 (Tom Ryan, born 1986), American professional Halo player
• Thomas Ryan (soccer) (born 1987), American soccer player
• Tom Ryan (lacrosse) (fl. 1990s), American professional lacrosse coach and player

• Thomas Ryan (musician) (1827–1903), Irish-American musician
• Tom Ryan (Primeval), a fictional character from the TV series Primeval
• Colonel Tom Ryan, a fictional character from the CBS drama The Unit played by Robert Patrick
• Thomas Ryan (actor), American actor in The Relic
• Thomas Jay Ryan (born 1962), stage actor
• Tom K. Ryan, creator of the comic strip Tumbleweeds

• Thomas F. Ryan (1872–1961), inventor of five-pin bowling
• Thomas Jervis Ryan (1834–1901), New Zealand policeman
• Tom Ryan, Detroit-based disc jockey who went locally by the alter ego Count Scary
• Thomas Ryan (bishop) (1915–1983), bishop of Clonfert], Ireland, 1962–82
• Tommy Ryan, an alias of Genovese crime family boss Thomas Eboli

• All pages with titles containing Thomas Ryan
• Ryan Thomas (disambiguation)

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