List of British records in swimming
The British records in swimming are ratified by the United Kingdom's governing body in swimming, British Swimming. Records can be set in long course or short course swimming pools, with records currently recorded in the following events for both men and women.
- Freestyle: 50 m, 100 m, 200 m, 400 m, 800 m, 1500 m
- Backstroke: 50 m, 100 m, 200 m
- Breaststroke: 50 m, 100 m, 200 m
- Butterfly: 50 m, 100 m, 200 m
- Individual medley: 100 m, 200 m, 400 m
- Relays: 4×50 m freestyle, 4 × 100 m freestyle, 4 × 200 m freestyle, 4×50 m freestyle, 4 × 100 m medley
The ratification process involves the swimmer submitting an application to British Swimming, providing details such as the swimmer's name, time swum, date and location of the swim, names of officials, and the swimsuit model worn. Once ratified, the records appear on the . Records that have not yet been fully ratified are marked with a '#' symbol in these lists, and all records were achieved in finals unless otherwise noted.