The 2023 Shenzhen Longhua Open was a professional tennis tournament played on hard courts.

It was the fourth (men) and fifth (women) editions of the tournament which was part of the 2023 ATP Challenger Tour and the 2023 ITF Women's World Tennis Tour.

It took place in Shenzhen, China between 10 and 22 October 2023.

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