| Date: | 9 – 15 January |
| Edition: | 4th |
| Surface: | Clay |
| Location: | Tigre, Argentina |
| Champs: |  Juan Manuel Cerúndolo |
| Champd: |  Daniel Dutra da Silva /  Oleg Prihodko |
| Before Year: | 2023 |
| Before Name: | Challenger de Tigre |
| Main Name: | Challenger de Tigre |
| After Name: | Challenger de Tigre |
The 2023 Challenger de Tigre II was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Tigre, Argentina between 9 and 15 January 2023.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Argentina | Camilo Ugo Carabelli | 126 | 1 | |
| Argentina | Juan Manuel Cerúndolo | 151 | 2 | |
| Argentina | Mariano Navone | 243 | 3 | |
| Argentina | Andrea Collarini | 246 | 4 | |
| Argentina | Juan Bautista Torres | 253 | 5 | |
| Argentina | Hernán Casanova | 257 | 6 | |
 Italy | Alessandro Giannessi | 262 | 7 | |
 Spain | Oriol Roca Batalla | 268 | 8 |
The following players received wildcards into the singles main draw:
Valerio Aboian Tomás Farjat Camilo Ugo CarabelliThe following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Jurgen Briand Matías Franco Descotte Edoardo Lavagno Oleg Prihodko Carlos Sánchez Jover Thiago Seyboth WildSee main article: 2023 Challenger de Tigre II – Singles.
Juan Manuel Cerúndolo def. Jesper de Jong 6–3, 2–6, 6–2.See main article: 2023 Challenger de Tigre II – Doubles.
Daniel Dutra da Silva / Oleg Prihodko def. 
Chung Yun-seong / 
Christian Langmo 6–2, 6–2.