Colin Buchanan
Colin Buchanan is the name of the following people:
- Colin Buchanan (town planner) (1907-2001), British town planner
- Colin Buchanan (Bishop) (born 1934), British clergyman, Bishop of Aston and Woolwich
- Colin Buchanan (musician) (born 1964), Australian musician and entertainer
- Colin Buchanan (actor) (born 1966), Scottish actor