| Magdeleine Vallieres | |
| Fullname: | Magdeleine Vallieres Mill |
| Birth Date: | 10 August 2001 |
| Birth Place: | Sherbrooke, Quebec, Canada |
| Role: | Rider |
| Amateuryears1: | 2016–2017 |
| Amateurteam1: | CC Sherbrooke |
| Amateuryears2: | 2018–2019 |
| Amateurteam2: | Québecor–Stingray |
| Amateuryears3: | 2019 |
| Amateurteam3: | Watersley Race Development Team |
| Proyears1: | 2020–2021 |
| Proteam1: | [1] |
| Proyears2: | 2022–2023 |
| Proyears3: | 2024– |
Magdeleine Vallieres Mill (born 10 August 2001) is a Canadian professional racing cyclist, who currently rides for UCI Women's Continental Team .[2] She rode in the women's road race event at the 2020 UCI Road World Championships.[3] At the 2019 Global Relay Canadian Road Championships, she won the junior women road race and junior women time trial. She represented Canada in the junior women road race and in the junior women time trial at the 2019 UCI Road World Championships.