| Club: | Arminia Bielefeld |
| Season: | 2017–18 |
| Chairman: | Hans-Jürgen Laufer[1] |
| Manager: | Jeff Saibene |
| Stadium: | Bielefelder Alm |
| League: | 2. Bundesliga |
| League Result: | 10th |
| Cup1: | DFB-Pokal |
| Cup1 Result: | First round |
| Pattern La1: | _arminia1617h |
| Pattern B1: | _arminia1617h |
| Pattern Ra1: | _arminia1617h |
| Leftarm1: | 34418F |
| Body1: | 34418F |
| Rightarm1: | 34418F |
| Shorts1: | 000000 |
| Socks1: | FFFFFF |
| Pattern La2: | _arminia1617a |
| Pattern B2: | _arminia1617a |
| Pattern Ra2: | _arminia1617a |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFFF |
| Socks2: | FFFFFF |
| Updated: | 28 January 2018 |
| Prevseason: | 2016–17 |
| Nextseason: | 2018–19 |
The 2017–18 Arminia Bielefeld season is the 113th 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 2. Bundesliga.
See main article: article and 2017–18 DFB-Pokal.