Gallacher is a surname of Irish origin and is a variant of Ó Gallchobhair found chiefly in Scotland. The name Ó Gallchobhair has been variously anglicised as Gallagher, Gallaher, Gallaugher, Goligher etc. See:
- Bernard Gallacher - Scottish professional golfer
- Hughie Gallacher - Scottish football player
- Kevin Gallacher - Scottish former professional footballer and now a sports pundit.
- Kirsty Gallacher - Scottish television presenter often specialising in sport programmes
- Liz Gallacher - British film music supervisor
- Patsy Gallacher - Irish footballer
- Paul Gallacher - Scottish professional football goalkeeper
- Stephen Gallacher - Scottish golfer
- Stirling Gallacher - English TV and stage actress
- Willie Gallacher - Scottish trade unionist, activist and communist
