| 2024 Curitiba Challenger | |
|---|---|
| Date | 21 – 27 October |
| Edition | 3rd |
| Surface | Clay |
| Location | Curitiba, Brazil |
| 2023 Champions | |
| Singles | |
 Hugo Dellien | |
| Doubles | |
 Guido Andreozzi /  Ignacio Carou | |
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 | Camilo Ugo Carabelli | 104 | 1 |
| 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 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
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