| Date: | September 25 – October 1 |
| Edition: | 2nd |
| Category: | ATP World Tour 250 series |
| Draw: | 28S/16D |
| Surface: | Hard / Outdoor |
| Location: | Chengdu, China |
| Champs: |  Denis Istomin |
| Champd: |  Jonathan Erlich /  Aisam-ul-Haq Qureshi |
The 2017 Chengdu Open was a men's tennis tournament played on outdoor hard courts. It was the 2nd edition of the Chengdu Open and part of the ATP World Tour 250 series of the 2017 ATP World Tour. It took place at the Sichuan International Tennis Center in Chengdu, China, from September 25 to October 1.
| width=70 | Country | width=175 | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 Austria | Dominic Thiem | 7 | 1 | ||
 Spain | Albert Ramos Viñolas | 25 | 2 | ||
 Russian Federation | Karen Khachanov | 32 | 3 | ||
| Russian Federation | Andrey Rublev | 37 | 4 | ||
 Japan | Yūichi Sugita | 42 | 5 | ||
 United Kingdom | Kyle Edmund | 45 | 6 | ||
 Serbia | Viktor Troicki | 47 | 7 | ||
 Argentina | Leonardo Mayer | 53 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry as a special exempt:
The following players received entry from the qualifying draw:
Adrian Mannarino →replaced by Dušan Lajović Jo-Wilfried Tsonga →replaced by 
Thiago Monteiro Fernando Verdasco →replaced by 
Bernard Tomic| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Austria | Oliver Marach | Mate Pavić | 39 | 1 | ||
| Julio Peralta |  New Zealand | Michael Venus | 49 | 2 | ||
 Mexico | Santiago González | Serbia | Nenad Zimonjić | 77 | 3 | |
| United Kingdom | Dominic Inglot |  Canada | Daniel Nestor | 93 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2017 Chengdu Open – Singles.
Denis Istomin def. 
Marcos Baghdatis, 3–2 ret.See main article: 2017 Chengdu Open – Doubles.
Jonathan Erlich / Aisam-ul-Haq Qureshi def. Marcus Daniell / Marcelo Demoliner, 6–3, 7–6(7–3)
