Jamie O'Callaghan (born 21 September 1990) is a former Ireland international rugby league footballer who played in the 2000s and 2010s.

[3][4] Jamie O'Callaghan was born in Hammersmith, London, England, he has Irish ancestors, and eligible to play for Ireland due to the grandparent rule.

As a teenager he was based in Whitton, Twickenham and was introduced to rugby league at Feltham College and played for West London Sharks.

In June 2008, O'Callaghan became the youngest player to represent the club in Super League when he played against Wigan at the JJB Stadium, aged just 17.

He was named in the Ireland squad for the 2010 European Cup[6] O'Callaghan had plenty of opportunities in London, playing over 100 games, but he was not awarded a new contract after the three years were up and Tony Rea released him, with O'Callaghan joining the part-time London Skolars on a permanent contract.