| 2018 Open du Pays d'Aix | |
|---|---|
| Date | 7–13 May |
| Edition | 5th |
| Draw | 32S / 16D |
| Prize money | €127,000+H |
| Surface | Clay |
| Location | Aix-en-Provence, France |
| Champions | |
| Singles | |
 John Millman | |
| Doubles | |
 Philipp Petzschner / Tim Pütz | |
The 2018 Open du Pays d'Aix was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Aix-en-Provence, France between 7 and 13 May 2018.