| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
| 2017–18 French Basketball Cup | |
| Champions: | SIG Strasbourg |
| Runners Up: | Boulazac |
| Season: | 2017–18 |
| Teams: | 28[1] (preliminary round) 64 (competition proper) |
| Duration: | 19 September 2017 – 21 April 2018 |
| Award4 Winner: | David Logan |
The 2017–18 French Basketball Cup season (French: 2017–18 Coupe de France de Basket) was the 41st season of the domestic cup competition of French basketball. The competition started on 19 September 2017 and ended 21 April 2018. SIG Strasbourg won its second Cup title.[2]