The 2023 Open Sud de France was a men's tennis tournament played on indoor hard courts.

It was the 36th edition of the Open Sud de France, and part of the ATP Tour 250 series of the 2023 ATP Tour.

It took place at the Arena Montpellier in Montpellier, France, from 6 February until 12 February 2023.

Second-seeded Jannik Sinner won the singles title.

The following players received wildcards into the singles main draw : The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: The following pair received entry as alternates: