| 2024 Curitiba Challenger | |
|---|---|
| Date | 21 – 27 October |
| Edition | 3rd |
| Surface | Clay |
| Location | Curitiba, Brazil |
| Champions | |
| Singles | |
 Jaime Faria | |
| Doubles | |
 Fernando Romboli /  Matías Soto | |
The 2024 Curitiba Challenger was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Curitiba, Brazil between 21 and 27 October 2024.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ARG | |||
 BOL | Hugo Dellien | 105 | 2 |
 COL | Daniel Elahi Galán | 112 | 3 |
| ARG | Román Andrés Burruchaga | 130 | 4 |
| POR | Jaime Faria | 147 | 5 |
| ARG | Juan Manuel Cerúndolo | 151 | 6 |
| POR | Henrique Rocha | 162 | 7 |
| BRA | Felipe Meligeni Alves | 165 | 8 |
| CHI | Tomás Barrios Vera | 170 | 9 |
The following players received wildcards into the singles main draw:
Wilson Leite José Pereira Matheus Pucinelli de Almeida The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Luciano Emanuel Ambrogi Orlando Luz Lautaro Midón Juan Carlos Prado Ángelo João Lucas Reis da Silva Gonzalo Villanueva Jaime Faria def. Felipe Meligeni Alves 6–4, 6–4. Fernando Romboli / Matías Soto def. 
Karol Drzewiecki / Piotr Matuszewski 7–6(7–5), 7–6(7–4).