The 2025 Open Nouvelle-Calédonie was a professional tennis tournament played on hard courts.

It was the 20th edition of the tournament which was part of the 2025 ATP Challenger Tour.

It took place in Nouméa, New Caledonia between 30 December 2024 and 4 January 2025.

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