1965–66 Algerian Championnat National
The 1965–1966 Algerian Championnat National was the fourth season of the Algerian Championnat National since its establishment in 1962. A total of 16 teams contested the league, with CR Belcourt as the defending champions.Promotion and relegation
Teams promoted from Algerian Division 2 1965-1966
Teams relegated to Algerian Division 2 1966-1967
Hat-tricks
| Player | For | Against | Result | Date | Ref |
 Ali M'barek | MC Oran | MSP Batna | 5–0 | 3 10 1965 | |
| | ASM Oran | MC Saïda | 4–1 | 10 10 1965 | |
| 4 | ES Guelma | ES Mostaganem | 2–4 | 5 12 1965 | |
| | ASM Oran | RC Kouba | 4–0 | 9 1 1966 | |
| | USM Annaba | ES Mostaganem | 7–2 | 27 3 1966 | |
| Azza | USM Sétif | MC Saida | 3–4 | 15 5 1966 | |
| Bendimni | MO Constantine | ES Mostaganem | 1–4 | 12 6 1966 | |
| Larbi | ASM Oran | JSM Skikda | 3–1 | 19 6 1966 | |
;Note
4 Player scored 4 goals
