Mathieu Maertens is a 31-year-old professional football player from BEL. He currently plays for Oud-Heverlee Leuven, wearing the number 33 shirt. He plays primarily as a Midfield. He stands at 185cm tall and weighs 71kg. His preferred foot is Right. His current market value is estimated at 900K €.

His most recent move was a Free from Cercle Brugge to Oud-Heverlee Leuven on 2017-07-12.

Across 25 appearances in the Belgian Pro League 2025-2026, Mathieu Maertens registered 1 goals and 3 assists, while completing 16 key passes out of 237 total passes with a passing accuracy of 6.9.