Killian Cahill is a professional footballer from IRL and is currently 23 years old. He is on the books of Leyton Orient and wears shirt number 33. At international level, he features for Ireland U21. His main role on the pitch is Goalkeeper. He measures 182cm in height and weighs 67kg. His stronger foot is Right. His estimated market valuation currently stands at 175K €.

His latest transfer saw him join Leyton Orient from Brighton U23 via on 2025-07-01.

In the English Football League One 2025-2026, Killian Cahill played 32 matches, averaging 0 interceptions, 0 tackles, and 0.7 clearances per game.