The 2023 Nationale 1 season was the 56th season of the Nationale 1 (NM1), the top-tier basketball league in Senegal.
The season began on 21 January and ended on 17 September 2023.
[1] AS Douanes won its record-setting 11th national title, after defeating Jeanne d'Arc in the finals, overtaking the record that was jointly held with ASFA.
[2] The Douanes' forward Samba Daly Fall was named both MVP and Finals MVP of the season.
ASFA and UCAD, as the 7th- and 8th-ranked teams, were relegated to the Division 2.