Karl O'Sullvan is a 26-year-old professional football player from IRL. He currently plays for Treaty United, wearing the number 34 shirt. He plays primarily as a Midfield. His current market value is estimated at 75K €.

His most recent move was a from Galway United FC to Treaty United on 2025-02-09.

Across 14 appearances in the Ireland Premier Division 2024, Karl O'Sullvan registered 0 goals and 1 assists, while completing 5 key passes out of 133 total passes with a passing accuracy of 5.1.