Mathias Macallister is a 19-year-old professional football player from AUS. He currently plays for Sydney FC, wearing the number 22 shirt. At the international level, he represents Australia U23. He plays primarily as a Forward. He stands at 182cm tall and weighs 75kg. His current market value is estimated at 100K €.

His most recent move was a from Sydney FC Youth to Sydney FC on 2025-07-10.

In the Australia A-League 2025-2026 season, Mathias Macallister scored 0 goals and provided 0 assists across 8 appearances, averaging 0 goals per game with 1 shots attempted and 0 on target.