Billy Regan is a 18-year-old professional football player from IRL. He currently plays for Treaty United, wearing the number 98 shirt. He plays primarily as a Defender. His preferred foot is Right.

His most recent move was a from Galway United to Treaty United on 2026-07-16.

Throughout the Ireland Premier Division 2025, Billy Regan featured in 3 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.