| 2018 Chengdu Open | |
|---|---|
| Date | September 24–30 |
| Edition | 3rd |
| Category | ATP World Tour 250 series |
| Draw | 28S/16D |
| Surface | Hard / Outdoor |
| Location | Chengdu, China |
| Champions | |
| Singles | |
 Bernard Tomic | |
| Doubles | |
 Ivan Dodig / Mate Pavić | |
The 2018 Chengdu Open was a men's tennis tournament played on outdoor hard courts. It was the 3rd edition of the Chengdu Open and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the Sichuan International Tennis Center in Chengdu, China, from September 24 to 30.