| Prevseason: | 2020–21 |
| Nextseason: | 2022–23 |
| 2021–22 Championnat National A | |
| Season: | 2021–22 |
| Champions: | US Monastir (7th title) |
| Runners Up: | Ezzahra Sports |
| Third Place: | Stade Nabeulien |
| Relegated: | SS Sfaxien |
| Teams: | 10 |
| Dates: | 25 September 2021 – 10 May 2022 |
| Tv: | El Watania 2 |
| Biggest Home Win: | 51 points US Monastir 109-58 SS Sfaxien (12 December 2021) |
| Biggest Away Win: | 52 points SS Sfaxien 50-102 ES Radès (10 November 2021) |
The 2021–22 Championnat National A is the 67th season of the Championnat National A, the highest basketball league in Tunisia. The regular season started on 25 September 2021 and ended on 10 May 2022.[1]
US Monastir won its seventh league title; it was its fourth straight victorious season.
This season featured 10 teams, with SS Sfaxien and US Ansar joining the league as newcomers.
| Club | City | Arena | Capacity |
|---|---|---|---|
| Salle Chérif-Bellaminej | |||
| Salle Couverte de Grombalia | |||
| Salle Couverte Taoufik-Bouhima | |||
| Salle Kairouan | |||
| Tunis (El Menzah) | Palais des Sports d'El Menzah | ||
| Salle Mohamed-Ali-Akid | |||
| US Ansar | Dar Chaabane | Salle de dar Chaâbane | |
| Mohamed-Mzali Sports Hall | |||
| Ezzahra Arena | |||
The following foreign players played with the Championnat National A teams this season:
| Club | Player 1 | Player 2 | Player 3 | |
|---|---|---|---|---|
 Mike McGall[2] | ||||
| Kendall Gray[3] | ||||
| Brachon Griffin[4] | Shawn Foxbrennen[5] | |||
| US Ansar | Prinze Orizu[6] | |||
| Ty Lawson | ||||
| Walt Lemon Jr.[7] |  C. J. Giles[8] | Ater Majok[9] |
The regular season started on 25 September 2021. The six highest placed teams advance to the play-offs, while the bottom four teams will play in the play-out.
In the play-offs, the six highest ranked team from the regular season play against each other. The highest four teams advance to the Super play-offs.[10]
The Super play-offs began on 14 April 2022. Numbers in brackets denote the team's seed.
The last team in the play-out is relegated directly to the Nationale B.[10] The three other teams play in the Super play-out.