| Marieke de Groot | |
| Birth Date: | 29 October 1985 |
| Currentteam: | Proximus–Cyclis |
| Discipline: | Road |
| Role: | Rider |
| Amateuryears1: | 2016–2017 |
| Amateuryears2: | 2019 |
| Amateurteam2: | Jos Feron Lady Force[1] |
| Amateuryears3: | 2022–2023 |
| Amateurteam3: | Isorex No Aqua |
| Proyears1: | 2018 |
| Proyears2: | 2020–2021 |
| Proyears3: | 2024 |
| Proteam3: | Proximus–Cyclis |
Marieke de Groot (born 29 October 1985) is a Dutch professional racing cyclist, who currently rides for UCI Women's Continental Team Proximus–Cyclis. In 2018 she rode for and in 2020 and 2021 for .[2] In October 2020, she rode in the women's edition of the 2020 Liège–Bastogne–Liège race in Belgium.[3]