John Killeen

John Killeen (1920 – June 2005) was an Irish hurler who played as a left wing-forward for the Galway senior team.

Playing career
Killeen made his first appearance for the team during the 1944 championship and was a regular member of the starting fifteen until his retirement a decade later after the 1954 championship. During that time he won a National Hurling League winners' medal.

At club level Duffy began his club career with Tynagh in Galway before later winning two county club championship medals with Clonad in Laois.