Thomas Hamer (born 16 August 1998) is an English British swimmer. Hamer is Commonwealth, European & World Champion. He has held Previous World Records in the 200m freestyle event and has held many British records in other swimming strokes. Hamer competes mainly in freestyle and individual medley preferring shorter distances. His first international competition was in 2014 Commonwealth Games Glasgow and took a silver medal in the 200m freestyle at 15 years of age.
Hamer holds the British records for S14 50m, 200m, and 400m freestyle events, and the SM14 200m individual medley.