| Date: | 21–26 August |
| Edition: | 19th |
| Surface: | Clay |
| Location: | Lima, Peru |
| Champs: |  Álvaro Guillén Meza |
| Champd: |  Gonzalo Bueno / Daniel Vallejo |
| Before Name: | Lima Challenger II |
| After Name: | Lima Challenger II |
| After Year: | 2023 |
The 2023 Lima Challenger was a professional tennis tournament played on clay courts. It was the 19th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Lima, Peru between 21 and 26 August 2023.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Argentina | Juan Pablo Ficovich | 272 | 1 | |
| Argentina | Renzo Olivo | 280 | 2 | |
 Brazil | João Lucas Reis da Silva | 287 | 3 | |
 Bolivia, Plurination;al State of | Murkel Dellien | 288 | 4 | |
| Brazil | Gustavo Heide | 343 | 5 | |
| Gonzalo Lama | 372 | 6 | ||
| Brazil | Daniel Dutra da Silva | 402 | 7 | |
| Peru | Gonzalo Bueno | 445 | 8 |
The following players received wildcards into the singles main draw:
Milledge Cossu Arklon Huertas del Pino Conner Huertas del PinoThe following players received entry from the qualifying draw:
Ignacio Buse Matías Franco Descotte Guido Iván Justo Victor Lilov Juan Carlos Prado Ángelo Pedro SakamotoSee main article: article and 2023 Lima Challenger – Singles.
Álvaro Guillén Meza def. 
Blaise Bicknell 7–6(7–3), 6–1.See main article: article and 2023 Lima Challenger – Doubles.
Gonzalo Bueno / Daniel Vallejo def. Ignacio Buse / Jorge Panta 6–4, 6–2.