| Competition: | Martinique Championnat National |
| Season: | 2020–21 |
| Dates: | 4 September 2020 – 16 March 2021 |
| Continentalcup1: | Caribbean Club Shield |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 Martinique Championnat National was the 101st season of the Martinique Championnat National, the top division football competition in Martinique. The season began on 4 September 2020 and ended on 16 March 2021.
The season was split into two regional groups due to the COVID-19 pandemic in Martinique. The top three teams in each group are to play in a Championship Round, and the bottom five teams in each group are to play in the relegation round, but no matches have been reported of as of July 2021.