John Callaghan may refer to:
- John Callaghan (physician) (1923–2004), Canadian cardiac surgeon
- John Callaghan (Galway), Irish murder victim
- John Callaghan (musician) (born 1969), British musician
- John Callaghan (screenwriter), see List of Republic of Doyle episodes
- John Callaghan (footballer), see List of Sheffield Wednesday F.C. players
See also
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: