Callum Simpson

Callum Simpson (born 11 April 2007) is an Australian Paralympic swimmer. At the 2024 Paris Paralympics, he won two gold and one silver medal. At the 2025 World Para Swimming Championships, he won three gold, one silver and one bronze medals.

Personal life Simpson was born with microdeletion syndrome – a chromosomal abnormality and genetic disorder which causes learning delay and physical flow-on effects – which causes his left and right side not to work in unison. He also has dyspraxia, neurological disorders, and cerebral palsy. Simpson attends Matthew Flinders Anglican College, Buderim, Queensland. His parents are Bec and Nigel Simpson, who represented and captained the England rugby sevens team for many years. Callum has a brother Henry, who is a talented water polo player, and is representing Australia in the surf life saving World Championships in 2024. Callum is of Rotuman heritage from his paternal side which makes him the second Rotuman swimmer to medal at an Olympic Games event after Greg Fasala.

Swimming Simpson was encouraged to take up swimming to strengthen his body and as part of his weekly therapy. Olympian and swim coach Janelle Pallister played an important role in his early swimming development. After strong performances at national swimming championships, he was selected as a member of The Para Flippers Development Squad for 2023. He was selected on the Australian Swim Para Team to compete at Para Swimming European Open Championships in Madeira, Portugal in 2024.

At the 2024 Paris Paralympics, Simpson won gold medals in the Men's 100 m freestyle S8 and Mixed medley 34 pts (heat) and silver medal in the Mixed freestyle 34 pts.

At the 2025 World Para Swimming Championships in Singapore, he won three gold medals - Men's 100m Freestyle S8, Men's 200 m Individual Medley SM8 and Mixed Freestyle 34pts, the silver medal in Men's 50m Freestyle S8 and the bronze medal in Men's 400 m Freestyle S8.

He is an active member of the Alexandra Headland Surf Lifesaving Club. 2024 - Sport Australia Hall of Fame Scholarship and Mentoring Program Tier 2 Scholarship. 2024 - Australian Institute of Sport Discovery of the Year. 2024 - Commonwealth Games Australia’s Emerging Athlete of the Month for August. 2025 - Medal of the Order of Australia (OAM) for service to sport as a gold medallist at the Paris Paralympic Games 2024. 2025 - Swimming Australia Paralympic Program Swimmer of the Year 2025 - Queensland Para-athlete of the Year