John Cantrell
John Leo Cantrell is an Irish former rugby union international.
Cantrell was born in Limerick and attended Dublin's Blackrock College.
A hooker, Cantrell played for University College Dublin and was capped nine times for Ireland from 1976 to 1981. He was part of international tours of New Zealand and South Africa during his career, which was ended by back injuries.
Cantrell is an architect by profession.