| 2023 Erste Bank Open | |
|---|---|
| Date | 23–29 October |
| Edition | 49th |
| Category | ATP Tour 500 |
| Draw | 32S / 16D |
| Prize money | €2,409,835 |
| Surface | Hard (indoor) |
| Location | Vienna, Austria |
| Venue | Wiener Stadthalle |
| Champions | |
| Singles | |
 Jannik Sinner | |
| Doubles | |
 Rajeev Ram /  Joe Salisbury | |
The 2023 Erste Bank Open was a men's tennis tournament played on indoor hard courts. It was the 49th edition of the event, and part of the ATP Tour 500 series of the 2023 ATP Tour. It was held at the Wiener Stadthalle in Vienna, Austria, from 23 until 29 October 2023.[1]
- ^ "Erste Bank Open Overview". ATP Tour. Retrieved 5 October 2023.