| Club: | Mainz 05 II |
| Season: | 2016–17 |
| Manager: | Sandro Schwarz |
| Stadium: | Bruchwegstadion |
| League: | 3. Liga |
| League Result: | 20th |
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| Pattern La2: | _mainz1516a |
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| Updated: | 18 March 2017 |
| Prevseason: | 2015–16 |
The 2016–17 1. FSV Mainz 05 II season is the 25th season in the football club's history. Mainz 05 II now play in the 3. Liga.
See main article: article and 2016–17 3. Liga.