Rebecca Koerner (born 22 September 2000) is a Danish racing cyclist, who currently rides for UCI Women's WorldTeam .
Koerner previously competed in diving, where she was a three-time national champion before switching to cycling in 2019. She competed at the 2021 UCI Road World Championships in the road race and time trial events, and joined the following year. In both 2023 and 2024, she won the Danish national road race championships.