Connor O'Brien is a 22-year-old professional football player from IRL. He currently plays for Accrington Stanley, wearing the number 38 shirt. At the international level, he represents Ireland U21. He plays primarily as a Defender. His current market value is estimated at 150K €.

His most recent move was a from Accrington Stanley U18 to Accrington Stanley on 2023-07-01.

Throughout the English Football League Two 2025-2026, Connor O'Brien featured in 21 matches, averaging 1.9 tackles, 0.4 interceptions, and 2.9 clearances per game, while blocking 0 shots per game.