John Costelloe

John Costelloe was an Irish politician and senator in the 10th Seanad Éireann.

John Costelloe was elected on 28 November 1963 to take up the vacant seat of the late Senator Daniel Moloney previously. Like him, he also was selected by the Industrial and Commercial Panel. In the elections two years later he was not re-elected and Seanad Éireann belonged to no longer 1965.