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.
Note: 4 points for a win, 2 points for a draw, 1 point for a defeat.