John Callaghan may refer to:
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John Callaghan (physician)
John Carter Callaghan, (October 1, 1923 – April 6, 2004) was a Canadian cardiac surgeon who "pioneered open-heart surgery in Alberta"
Born in Hamilton, Ontario on October 1, 1923, he received his medical degree from the University of Tor ...
(1923–2004), Canadian cardiac surgeon
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John Callaghan (Galway), Irish murder victim
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John Callaghan (musician)
John Callaghan (born 2 September 1969) is a British musician, writer, and performance artist.
His 1998 track "I'm Not Comfortable Inside My Mind" aired during MTV's Chill Out Zone in 1999, and later featured in a ''Guardian'' round-up of songs a ...
(born 1969), British musician
*John Callaghan (screenwriter), see
List of Republic of Doyle episodes
'' Republic of Doyle'' is a Canadian comedy-drama television series set in St. John's, Newfoundland and Labrador, which originally aired on CBC Television
CBC Television (also known as CBC TV) is a Canadian English-language broadcast tele ...
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John Callaghan (footballer) 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 Rep ...
, see
List of Sheffield Wednesday F.C. players
See also
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John Callahan (disambiguation) John Callahan may refer to:
* John Callahan (actor) (1953–2020), American actor; best known from the soap opera ''All My Children''
* John Callahan (cartoonist) (1951–2010), cartoonist
:* ''John Callahan's Quads!'', a 2001 animated television ...
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John O'Callaghan (disambiguation)
{{hndis, Callaghan, John