Thomas Johnston

Tom, Thomas or Tommy Johnston may refer to:

Politics

 * Thomas D. Johnston (1840–1902), U.S. Representative from North Carolina
 * Thomas Johnston (Canadian politician) (1821–1903), Canadian industrial and political figure
 * Thomas George Johnston (1849–1905), Canadian physician and political figure
 * Tom Johnston (Saskatchewan politician) (1881–1969), British-born Canadian political figure
 * Tom Johnston (British politician) (1881–1965), Scottish political figure

Sport

 * Tom Johnston (footballer) (1918–1994), Scottish midfielder; playing career 1938–1956; coaching and managerial career 1956–1978
 * Tom Johnston (greyhound trainer) (1933–2001), British greyhound trainer
 * Tommy Johnston (1927–2008), Scottish footballer

Music

 * Thomas Jack (Tom Jack Johnston, born 1993), Australian DJ and musician; pioneer of the "tropical house" subgenre
 * Tom Johnston (musician) (born 1948), American musician, co-founder of The Doobie Brothers

Other

 * Thomas Johnston (engraver) (1708–1767), American engraver and organ builder
 * Thomas A. Johnston (1848–1934), American educator
 * Thomas Alan Johnston, Scottish engineer
 * Thomas Brumby Johnston (1814–1897), Scottish cartographer
 * Thomas E. Johnston (born 1967), US federal judge
 * Thomas Henry Johnston (1880–?), New Zealand tram conductor, labourer, miner and strike-breaker
 * Thomas L. Johnston (1927–2009), Scottish scientist
 * Thomas Nicol Johnston (1870–1923), Scottish zoologist
 * Thomas Harvey Johnston (1881–1951), Australian biologist and parasitologist
 * Thomas Henry Johnston (British Army officer) (died 1891)
 * Thomas W. "T. J." Johnston Jr. (born 1956), American lawyer and Anglican bishop