| Club: | Fortuna Köln |
| Season: | 2017–18 |
| Chairman: | Hanns-Jörg Westendorf |
| Manager: | Uwe Koschinat |
| Stadium: | Südstadion |
| League: | 3. Liga |
| League Result: | 8th |
| Cup1: | Middle Rhine Cup |
| Cup1 Result: | Semifinals |
| Updated: | 28 January 2018 |
| Prevseason: | 2016–17 |
The 2017–18 SC Fortuna Köln season was the 70th season in the football club's history. The season covers a period from 1 July 2017 to 30 June 2018.
See main article: article and 2017–18 3. Liga.