Ian Hamilton
Ian Hamilton may refer to:
- Ian Hamilton (British Army officer), British general
- Ian Hamilton (cricketer), New Zealand cricketer
- Ian Hamilton (advocate), Scottish lawyer
- Ian Hamilton (critic), British critic, poet, literary magazine publisher and editor
- Ian Hamilton (footballer), English footballer who played for Bristol Rovers, Exeter City & Newport County
- Ian Hamilton (writer), Canadian author of the Ava Lee mystery novel series
- Ian Hamilton (footballer, born 1950), English footballer, known as "Chico"
- Ian Hamilton (footballer, born 1956), English football midfielder with Darlington, La Louvière and Liège
- Ian Hamilton (footballer, born 1967), English football midfielder with West Bromwich Albion and Sheffield United
- Ian Hamilton (baseball), baseball player
- Abigail Austen, previously known as Ian Hamilton, a transsexual woman and the first officer in the British Army to complete gender reassignment