| 2019 Chengdu Open | |
|---|---|
| Date | September 23–29 |
| Edition | 4th |
| Category | ATP Tour 250 series |
| Draw | 28S / 16D |
| Surface | Hard / outdoor |
| Location | Chengdu, China |
| Champions | |
| Singles | |
 Pablo Carreno Busta | |
| Doubles | |
 Nikola Ćaćić / Dušan Lajović | |
The 2019 Chengdu Open was a men's tennis tournament played on outdoor hard courts. It was the 4th edition of the Chengdu Open and part of the ATP Tour 250 series of the 2019 ATP Tour. It took place at the Sichuan International Tennis Center in Chengdu, China, from September 23 to 29.