The 2018 ATP Shenzhen Open was a professional men's tennis tournament played on hard courts.

It was the 5th edition of the tournament, and part of the ATP World Tour 250 series of the 2018 ATP World Tour.

It took place at the Shenzhen Longgang Tennis Centre in Shenzhen, China from September 24 to 30.

The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: