Leo Hayter (born 10 August 2001) is a British racing cyclist, who currently rides for UCI WorldTeam Ineos Grenadiers.
As a Junior road cyclist in 2019, he won 1.1 UCI level junior races at the Omloop van Borsele and Trofee van Vlaanderen. In 2021, he won the Liège–Bastogne–Liège Espoirs. In 2022, he won two consecutive stages and the overall title at the Giro Ciclistico d'Italia It was announced on 1 August 2022 he would join Ineos Grenadiers as a Stagiare immediately and then join on a three-year contract from 2023.