Ian Thomson
Ian Thomson may refer to:
- Ian Thomson (colonial administrator), British colonial administrator in Fiji and administrator of the British Virgin Islands
- Ian Thomson (cricketer), English cricketer who played five Test matches
- Ian Thomson (Australian rules footballer), former VFL and WAFL player
- Ian Thomson (rugby league), Australian rugby league footballer and administrator
- Ian Thomson (rugby union), Scottish rugby union player
- Ian Thomson (writer), English author
- Ian Thomson (umpire), Australian-born cricket umpire who represents Hong Kong
- Ian Thomson (cyclist), Scottish cyclist
- Ian Thomson (field hockey), English field hockey player