Colin Buchanan

Colin Buchanan is the name of:
 * Colin Buchanan (musician) (born 1964), Australian entertainer
 * Colin Buchanan (actor) (born 1966), Scottish actor
 * Colin Buchanan (town planner) (1907–2001), British town planner
 * Colin Buchanan (bishop) (born 1934), Church of England bishop
 * Col Buchanan (born 1973), Northern Irish fantasy writer