Dion Caldwell Glass (15 May 1934 â 11 April 2011) was an Irish international rugby union player.
Born in Belfast, Glass attended Methodist College Belfast, which he captained to the 1952 Ulster Schools' Cup title.
Glass, a Collegians player, was capped four times for Ireland in intermittent appearances from 1958 to 1961. His first three caps were as a centre or wing three-quarter, then on the 1961 tour of South Africa he was utilised as the fly-half against the Springboks at Olën Park at Cape Town.