The 2023 Open Nouvelle-Calédonie was a professional tennis tournament played on hard courts. It was the 18th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Nouméa, New Caledonia between 2 and 7 January 2023.
Singles main-draw entrants
Seeds
1 Rankings are as of 26 December 2022.
Other entrants
The following players received wildcards into the singles main draw: Thomas Fancutt Victor Lopes Toshihide Matsui
The following players received entry from the qualifying draw: Jake Delaney Blake Ellis Jeremy Jin Blake Mott Calum Puttergill Brandon Walkin
Champions
Singles
Raúl Brancaccio def. Laurent Lokoli 4–6, 7–5, 6–2.
Doubles
Colin Sinclair / Rubin Statham def. Toshihide Matsui / Kaito Uesugi 6–4, 6–3.