The 2022-23 Championnat National 3 is the sixth season of the fifth tier in the French football league system in its current format.
[25] Reserve teams whose training centres are categorised as category 2B or lower cannot be promoted to Championnat National 2 by the rules of the competition.
On 28 April 2023, the FFF announce a penalty of 2 points for Niort (res), under the rules relating to qualification of football managers and coaches.
Illkirch-Graffenstaden were penalised again regarding the reverse fixture on 3 June 2023, when the match had to be abandoned after they had started the game with just 8 players, one of whom suffered an injury after less than 2 minutes.
Libourne, La Roche, Avoine Chinon, Cannes, Mâcon, Biesheim, Feignies Aulnoye, Vire, Dinan Léhon, Aubervilliers and Bourgoin-Jallieu were champions of each group, and were promoted to 2023–24 Championnat National 2.