Mathias Macallister is a professional footballer from AUS and is currently 20 years old. He is on the books of Sydney FC and wears shirt number 22. At international level, he features for Australia U23. His main role on the pitch is Forward. He measures 182cm in height and weighs 75kg. His stronger foot is Right. His estimated market valuation currently stands at 150K €.

His latest transfer saw him join Sydney FC from Sydney FC Youth via on 2025-07-10.

During the Australia A-League 2025-2026 campaign, Mathias Macallister made 8 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 1 shots, with 0 on target.