Ian Thomson

Ian Thomson may refer to:


 * Ian Thomson (colonial administrator) (1920–2008), British colonial administrator in Fiji and administrator of the British Virgin Islands
 * Ian Thomson (cricketer) (1929–2021), English cricketer who played five Test matches
 * Ian Thomson (Australian rules footballer) (born 1949), former VFL and WAFL player
 * Ian Thomson (rugby league) (born 1956), Australian rugby league footballer and administrator
 * Ian Thomson (rugby union) (1930–2014), Scottish rugby union player
 * Ian Thomson (writer) (born 1961), English author
 * Ian Thomson (umpire) (born 1963), Australian-born cricket umpire who represents Hong Kong
 * Ian Thomson, the New South Wales Government Architect from 1978 to 1988