Isabelle Thorpe (born 4 March 2001)[1] is a British synchronised swimmer who won a silver medal at the 2024 Summer Olympics in the duet.

She competed in the women's duet event at the 2020 Summer Olympics held in Tokyo, Japan.

Thorpe and Kate Shortman finished in 9th place in the duet technical routine at the 2022 World Aquatics Championships held in Budapest, Hungary.

At the 2024 World Aquatics Championships in Doha, Thorpe and Shortman won the silver medal in the Duet technical routine competition, becoming the first Britons to do so.

[7] This ensured the duo's qualification for the 2024 Paris Olympics[8] where they won a silver medal.