Mackenzie Arnold is a 33-year-old professional football player from AUS. At the international level, he represents Australia Women. He plays primarily as a Goalkeeper. He stands at 181cm tall and weighs 76kg.

His most recent move was a Free from Brisbane Roar Women to West Ham United Women on 2020-07-01.

In the United States Women's National Soccer League 2025, Mackenzie Arnold played 23 matches, averaging 0 interceptions, 0 tackles, and 0.9 clearances per game.