Connor O'Brien is a professional footballer from IRL and is currently 22 years old. He is on the books of Accrington Stanley and wears shirt number 38. At international level, he features for Ireland U21. His main role on the pitch is Defender. His estimated market valuation currently stands at 200K €.

His latest transfer saw him join Accrington Stanley from Accrington Stanley U18 via on 2023-07-01.

Across the English Football League Two 2025-2026, Connor O'Brien appeared in 21 matches and averaged 1.9 tackles, 0.4 interceptions, 2.9 clearances, and 0 blocked shots per game.