| Competition: | Guinée Championnat National |
| Season: | 2017–18 |
| Winners: | Horoya AC |
| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
The 2017–18 Guinée Championnat National season was the 51st edition of the top level of Guinée Championnat National football competition since its founding in 1965 under the authority of Guinean Football Federation in Guinea. It began on 3 November 2017 and ended on 7 June 2018.[1]
Horoya AC successfully defended its 2017 title and successfully pursued its 2018 title.