Fabian Ax Swartz (born 12 February 2004) is a Swedish World Cup alpine ski racer. He represented Sweden at the 2026 Winter Olympics.
In January 2025, Swartz represented Sweden at the FIS Alpine World Ski Championships 2025 and won a bronze medal in the team event. In February, he then competed at the World Junior Alpine Skiing Championships 2025 and won a bronze medal in the giant slalom event with a time of 2:02.41.
In January 2026, he was selected to represent Sweden at the 2026 Winter Olympics..