Along with competing in the URC and its Irish Shield competition, the club will also participate in the 2024-25 European Rugby Champions Cup.
Props Hookers Locks Back row Scrum-halves Fly-halves Centres Wings Fullbacks Props Hookers Locks Back row Scrum-halves Fly-halves Centres Wings Fullbacks Pink background indicates teams that are in play-off places and earn a place in the 2025–26 European Challenge Cup Yellow background indicates the team that won the 2024–25 European Challenge Cup and thus qualify for the 2025–26 European Champions Cup, but are not in a play-off place Plain background indicates teams that earn a place in the 2025–26 European Challenge Cup.
h; home field advantage secured for quarter-final X: cannot reach play-offs.
(S) : URC Shield champion Leinster finished as the second highest ranked side in the pool stages of the Champions Cup, winning home field advantage for every round of the competition until the final.
In January, it was announced the game had been moved from Leinster's 2024-25 seasonal home of the Aviva Stadium to the 82,000 capacity Croke Park, following a similar decision in respect of the URC match with Munster.