Louise Fiddes (born 26 March 2001) is a British Paralympic swimmer who competes in international level events. She is a world and European champion in breaststroke events. She grew up in Welwyn Garden City and trained at Hatfield Swimming Club.
At the 2024 Summer Paralympics she won a bronze medal in the 200m freestyle S14. Poppy Maskill took the silver and they were both beaten by Valeriia Shabalina.