| 2022 Open de Rennes | |
|---|---|
| Date | 12–18 September |
| Edition | 16th |
| Surface | Hard (Indoor) |
| Location | Rennes, France |
| Champions | |
| Singles | |
 Ugo Humbert | |
| Doubles | |
Jonathan Eysseric /  David Pel | |
The 2022 Open de Rennes was a professional tennis tournament played on hard courts. It was the sixteenth edition of the tournament and part of the 2022 ATP Challenger Tour. It took place in Rennes, France between 12 and 18 September 2022.