Janthe Ruymen is a 19-year-old professional football player from BEL. He currently plays for Oud Heverlee Leuven Women, wearing the number 23 shirt. He plays primarily as a Defender.

Throughout the UEFA Women's Champions League 2025-2026, Janthe Ruymen featured in 11 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.