Thomas Johnson, Tom Johnson or Tommy Johnson may refer to:

• Tom Johnson (composer) (1939–2024), American minimalist composer
• Tommy Johnson (tubist) (1935–2006), American orchestral tuba player
• Tommy Johnson (musician) (1896–1956), American blues guitarist
• Thomas Johnson (music producer) (born 1957), American audio engineer, producer, and musician

• Tom Johnson (sound engineer) (born 1958), American film sound mixer
• Thomas Johnson (animator) (1907–1960), American film animator; most prominently worked for Fleischer Studios
• Thomas Johnson, known as Tommy the Clown (born 1969), American dancer
• Tom Loftin Johnson (artist) (1900–1963), American painter and art teacher at West Point
• Tommy Johnson (actor) (1931–2005), Swedish actor

• Thomas Johnson (born in 1810s), namesake of John & Thomas Johnson, a soap and alkali manufacturing business
• Thomas Fielding Johnson (1828–1921), British businessman and philanthropist
• Tom Johnson (journalist) (born 1941), American media executive; publisher of the Los Angeles Times and president of CNN
• Thomas S. Johnson (21st century), American banker

• Thomas Johnson (designer) (1714–1778), English furniture maker, woodcarver and author
• T.C. Johnson (Thomas Crosley Johnson, 1862–1934), American firearms designer

• Thomas Johnson (died 1569), MP for St Albans and Bossiney
• Thomas Johnson (Serjeant-at-Arms) (died 1592), MP for Leicester
• Thomas Johnson (died 1660), MP for Great Yarmouth
• Thomas Johnson (Liverpool merchant) (1664–1728), English Member of Parliament
• Thomas Johnson (Irish politician) (1872–1963), Irish nationalist; leader of Irish Labour Party in Irish Parliament
• Tom Johnston (British politician) (1881–1965), Secretary of State for Scotland, MP for West Stirlingshire and Dundee

• Thomas Johnson (judge) (1732–1819), American jurist; one of the Founding Fathers; Governor of Maryland; Supreme Court justice
• Thomas Johnson (Kansas politician) (1802–1865), American Methodist missionary in Kansas territorial legislature; namesake of Johnson County
• Thomas Johnson (Arkansas judge) (1808–1878), chief justice of the Arkansas Supreme Court
• Thomas Johnson (Kentucky politician) (1812–1906), Confederate congressman during the early part of the American Civil War
• Thomas Johnson (Wisconsin politician) (1854–1933), Wisconsin State Assemblyman
• Tom L. Johnson (1854–1911), U.S. Representative from Ohio, 1891–1895; Mayor of Cleveland, 1901–1909
• Thomas Francis Johnson (1909–1988), U.S. Representative from Maryland
• Thomas W. Johnson (active 1977–2006), American politician in Ohio
• Tom Johnson (Illinois politician) (1945–2018), Illinois State Senator

• Thomas Johnson (Australian politician) (1819–1894), businessman and MHA in South Australia
• Thomas Alexander Johnson (1835–1914), businessman and member of the Queensland Legislative Council
• Thomas Herman Johnson (1870–1927), Canadian politician in Manitoba

• H. Thomas Johnson (born 1938), American accounting historian
• Thomas Johnson (botanist) (c. 1600–1644), English apothecary and botanist
• Thomas Johnson (scholar) (died 1737), English cleric and academic
• Thomas Johnson (botany teacher) (1863–1954), English authority on plants; professor of Botany at University College Dublin
• Thomas Herbert Johnson (1902–1985), scholar of English literature
• Thomas Howard Johnson (21st century), director of the Naval Postgraduate School's Program for Culture & Conflict Studies

• Thomas Johnson (American football coach) (1917–2007), Negro league baseball player and American football coach
• Thomas Johnson (defensive tackle) (born 1981), American defensive tackle
• Thomas "Pepper" Johnson (born 1964), American football linebacker and coach
• Tom Johnson (tackle, born 1931) (1931–1991), American football offensive/defensive tackle for Michigan and the Green Bay Packers
• Tom Johnson (defensive tackle, born 1984), American defensive tackle drafted by the Indianapolis Colts

• Thomas Johnson (South African footballer) (1942–2011), South African football player and manager
• Tom Johnson (footballer, born 1911) (1911–1983), English football defender for Sheffield United and Lincoln City
• Tom Johnson (footballer, born 1926) (1926–2018), English football left half or forward for Darlington and Bradford Park Avenue
• Tommy Johnson (footballer, born 1901) (1901–1973), English football forward for Manchester City and Everton
• Tommy Johnson (footballer, born 1971), English football striker for Notts County, Derby County, Aston Villa and Celtic

• Thomas Johnson (American football coach) (1917–2007), Negro league baseball player and American football coach
• Thomas P. Johnson (1914–2000), American Major League Baseball team owner (Pittsburgh Pirates)
• Tom Johnson (baseball, born 1951), American pitcher for the Minnesota Twins
• Tom Johnson (baseball, born 1889) (1889–1926), American pitcher in the Negro leagues
• Tommy Johnson (baseball), American pitcher in the Negro leagues

• Tom Johnson (bareknuckle boxer) (1750–1797), born Tom Jackling, English bare-knuckle boxer
• Tom Johnson (American boxer) (born 1964), American featherweight boxer

• Thomas Johnson (rugby league), English rugby league footballer of the 1930s and 1940s
• Tom Johnson (rugby union, born 1893) (1893–1948), Wales international rugby union player
• Tom Johnson (rugby union, born 1982), rugby union player for Exeter Chiefs

• Thomas Johnson (cyclist) (Horace Thomas Johnson, 1886–1966), British cyclist in the 1908 Summer Olympics
• Tom Johnson (golfer) (born 1981), American member of the PGA tour
• Tom Johnson (ice hockey) (1928–2007), Canadian ice hockey defenceman
• Tom Johnson (lacrosse) (born 1985), Canadian lacrosse player
• Tom Johnson (swimming coach) (born 1963), American swim and diving coach

• Thomas Johnson (monk) (died 1537), English Carthusian monk
• Thomas Johnson (architect) (c. 1762–1814), British architect
• Thomas 15X Johnson (1935–2009), American convicted in the 1965 assassination of Malcolm X
• Tom Johnson (astronomer) (1923–2012), American astronomer and electrical engineer, founder of Celestron
• Tom Johnson (lawyer) (born 1971), American attorney based in Portland, Oregon
• Tom Richard Johnson (1850–1935), railway engineer, commissioner in New South Wales
• Thomas Johnson (murderer) (1898–1939), convicted of a double murder in Dunolly, Victoria
• Thomas Hope Johnson (1899–1998), American physicist and cosmic ray researcher

• Tommy Johnson, blues musician in the 2000 American criminal comedy film O Brother, Where Art Thou?
• Tommy "Banana" Johnson - see List of Viz comic strips

• Thomas Johnston (disambiguation)
• Tim Johnson (disambiguation)