Nina Mathelus is a 18-year-old professional football player from PHI. At the international level, he represents Philippines U17 Women. He plays primarily as a Forward. He stands at 171cm tall and weighs 60kg.

In the AFF Women’s Championship 2025 season, Nina Mathelus scored 1 goals and provided 0 assists across 3 appearances, averaging 0.3 goals per game with 8 shots attempted and 3 on target.