| Date: | 13–19 March |
| Edition: | 1st |
| Surface: | Clay |
| Location: | Viña del Mar, Chile |
| Champs: |  Thiago Seyboth Wild |
| Champd: |  Diego Hidalgo /  Cristian Rodríguez |
The 2023 Viña Challenger was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Viña del Mar, Chile between 13 and 19 March 2023.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Bolivia, Plurination;al State of | ||||
 France | Hugo Gaston | 106 | 2 | |
 Argentina | Camilo Ugo Carabelli | 124 | 3 | |
| Brazil | Felipe Meligeni Alves | 164 | 4 | |
 Italy | Franco Agamenone | 166 | 5 | |
| Argentina | Facundo Díaz Acosta | 172 | 6 | |
| Italy | Luciano Darderi | 180 | 7 | |
| Italy | Riccardo Bonadio | 182 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as a special exempt:
The following player received entry into the singles main draw as an alternate:
Pol Martín TiffonThe following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
See main article: 2023 Viña Challenger – Singles.
Thiago Seyboth Wild def. Hugo Gaston 7–5, 6–1.See main article: 2023 Viña Challenger – Doubles.
Diego Hidalgo / Cristian Rodríguez def. Luciano Darderi / Andrea Vavassori 6–4, 7–6(7–5).