Carys Isobel Lloyd (born 31 December 2006) is a British cyclist who rides for UCI Women's World Team . She won three gold medals at the 2024 UCI Junior Track Cycling World Championships.
From Maidstone, Kent, she raced as a junior for Tofauti Everyone Active. In 2023, she won the Madison at the 2023 UEC European Track Championships in Anadia, Portugal. She also won GP Plouay in 2023 and won two stages of the premier UCI Nations Cup event, the Dutch Omloop van Borsele in 2024. She also won a bronze medal at the 2024 British Time Trial Championships.
She won a gold medal and two silver medals at the 2024 UEC European Track Championships in Cottbus in July 2024. Alongside Cat Ferguson, Imogen Wolff and Erin Boothman she won silver in the junior team pursuit. She won gold in the Madison event alongside Ferguson, and gold in the Omnium at the Championships.
She won three gold medals at the 2024 UCI Junior Track Cycling World Championships in Luoyang, China. As part of the British women's team pursuit team alongside Cat Ferguson, Imogen Wolff and Erin Boothman she set a new world record time of 4:20.811 to beat France in the final. She also won the women's individual pursuit race at the Championships in August 2024, as well as the Madison alongside Boothman.
She signed for ahead of the 2025 season, agreeing a three-year contract. She became the youngest rider on the men or women's WorldTours for the 2025 season.
In March 2026, she won her first UCI Women's World Tour race at Tour of Bruges, winning in a sprint finish.
She has Welsh heritage. She is a student at Maidstone Grammar School (2024-2025) in year 13 Corpus Christi House. Carys Lloyd studied her GCSEs at Maidstone Grammar School for Girls between 2018 and 2023 achieved an outstanding 7.85 grade average.