| Club: | Gent |
| Season: | 2017–18 |
| Ownertitle: | Chairman |
| Owner: | Ivan De Witte |
| Chrtitle: | Managing director |
| Chairman: | Michel Louwagie |
| Manager: | Hein Vanhaezebrouck (until 27 September) Yves Vanderhaeghe (from 4 October) |
| Stadium: | Ghelamco Arena |
| League: | First Division A |
| League Result: | 4th |
| Cup1: | Belgian Cup |
| Cup1 Result: | Quarter-finals |
| Cup2: | UEFA Europa League |
| Cup2 Result: | Third qualifying round |
| League Topscorer: | Jérémy Perbet (10) |
| Season Topscorer: | Jérémy Perbet (10) |
| Pattern La1: | _kaag1718h |
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| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
The 2017–18 season was the 115th season in the history of K.A.A. Gent and the club's 29th consecutive season in the top flight of Belgian football. In addition to the domestic league, Gent participated in this season's editions of the Belgian Cup and the UEFA Europa League.
See main article: 2017–18 Belgian First Division A.
See main article: 2017–18 Belgian Cup.
See main article: 2017–18 UEFA Europa League. Third qualifying round
See main article: 2017–18 UEFA Europa League qualifying phase and play-off round.