Luke Marshall (born 3 March 1991) is an Irish former rugby union player, who played centre for Ulster, and won 11 caps for Ireland, the last coming in 2017.

[1] He missed much of the 2014–15 season, suffering a knee injury in October 2014[6] and a concussion in January 2015,[7] and being suspended for five matches after being cited for kicking an opponent in March 2015.

[10] In 2017–18 he made 16 appearances, including 12 starts,[1] six turnovers and three try assists,[11] but suffered an anterior cruciate ligament injury in May 2018 that kept him out for most of the 2018–19 season.

[13] In April 2024 Marshall announced that he would retire from professional rugby at the end of the season after a 15 year career.

He won his first senior international cap on 24 February 2013, starting in the defeat against Scotland in the 2013 Six Nations Championship.