Ian Thomson may refer to: Ian Thomson (Fiji) (1920–2008), British colonial administrator in Fiji and Administrator of the British Virgin Islands Ian Thomson (cricketer) (born 1929), 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