title: Callachan
text: # Callachan
  
  Callachan is a British surname that originates from the Irish Ceallachán. It may refer to the following notable people:
  
  * Harry Callachan (1903–1990), Scottish football player
  * Ralph Callachan (born 1955), Scottish football player
  * Ross Callachan (born 1993), Scottish football player
  