The 2025 Open Occitanie was a men's tennis tournament played on indoor hardcourts.

It was the 38th edition of the event (known formerly as the Open Sud de France), and part of the ATP Tour 250 series of the 2025 ATP Tour.

It took place at the Arena Montpellier in Montpellier, France, from 27 January until 2 February 2025.

[1] 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: