Keith Crossan, Irish rugby player
Keith Crossan (born 29 December 1959 in Belfast, Northern Ireland) is a former Irish rugby union international player who played for the Irish national rugby union team. He played as a winger.

He played for the Ireland team from 1982 to 1992, winning 41 caps and scoring 12 tries including 2 against Canada at the 1987 Rugby World Cup.

He played in two Rugby World Cups: 1987 and 1991. He also played for the Barbarians against Argentina in 1990, scoring two tries.