The season started 28 September 2019 and ended 8 August 2020.
On 14 March 2020 the season was postponed due to the COVID-19 pandemic.
[2] On 9 May, it was announced the league was to resume behind closed doors on 15 July.
[3] Eventually, US Monastir won its second-straight title.
CA Bizertin and Stade Gabèsien were promoted from the Nationale B.