Heather Frederiksen MBE (born 30 December 1985) is a retired British Paralympic swimmer. She is former world record holder in the Women's S8 100 m backstroke, 50 m freestyle, 100 m freestyle, 200 m freestyle and 400 m freestyle events. As of June 2017, she still holds European records in the S8 200 m and 400 m freestyle. Frederiksen is a two time Paralympic champion in the 100m backstroke S8 classification, and has won eight Paralympic medals in all.