Ian Hamilton may refer to: Ian Hamilton (British Army officer) (1853–1947), British general Ian Hamilton (cricketer) (1906–1992), New Zealand cricketer Ian Hamilton (advocate) (1925–2022), Scottish lawyer Ian Hamilton (critic) (1938–2001), British critic, poet, literary magazine publisher and editor Ian Hamilton (footballer) (1940–2021), English footballer who played for Bristol Rovers, Exeter City & Newport County Ian Hamilton (writer) (born 1946), Canadian author of the Ava Lee mystery novel series Ian Hamilton (footballer, born 1950) (1950–2024), English footballer, known as "Chico" Ian Hamilton (footballer, born 1956), English football midfielder with Darlington, La Louvière and Liège Ian Hamilton (footballer, born 1967) (1967–2023), English football midfielder with West Bromwich Albion and Sheffield United Ian Hamilton (baseball) (born 1995), baseball player Abigail Austen (born 1964), previously known as Ian Hamilton, a transsexual woman and the first officer in the British Army to complete gender reassignment