Thomas Allan

Thomas Allan may refer to:
 * Thomas Allan (mineralogist) (1777–1833), Scottish mineralogist
 * Thomas Allan (Scottish footballer), Scottish footballer
 * Thomas Allan (footballer, born 1999), English footballer
 * Thomas Allan (publisher) (1832–1894), English collector of songs and music publisher
 * Tom Allan (footballer) (born 1994), English footballer
 * Tom Allan (minister) (1916–1965), Scottish minister of the Church of Scotland
 * Thomas Allan (politician) (1725–1798), Irish politician
 * Thomas J. Allan (1940–1966), British radio engineer in Antarctica