Sean Lineen (born 25 December 1961) is a former Scotland international rugby union player.
[3] He qualified to play for Scotland through his grandfather and made his international debut on 21 January 1989 against Wales at Murrayfield aged 27.
Lineen played at 29 times for Scotland, He was a member of the notable Scottish Grand Slam team of 1990.
After his playing career ended, Lineen became a coach at Boroughmuir and during his time there he guided the side to cup and league triumphs.
He was coach of the Warriors for 6 years and started laying the foundation of the side that Gregor Townsend would later build on.