| 2023 AON Open Challenger | |
|---|---|
| Date | 4–10 September |
| Edition | 19th |
| Surface | Clay |
| Location | Genoa, Italy |
| Champions | |
| Singles | |
 Thiago Seyboth Wild | |
| Doubles | |
 Giovanni Oradini / Lorenzo Rottoli | |
The 2023 AON Open Challenger was a professional tennis tournament played on clay courts. It was the 19th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Genoa, Italy between 4 and 10 September 2023.