| Date: | 1–7 April 2024 |
| Edition: | 3rd (men) 1st (women) |
| Surface: | Clay / Outdoor |
| Location: | Florianópolis, Brazil |
| Category: | ATP Challenger Tour ITF Women's World Tennis Tour |
| Prize Money: | $82,000 (men) $60,000 (women) |
| Champms: |  Enzo Couacaud |
| Champmd: |  Daniel Cukierman /  Carlos Sánchez Jover |
| Champws: |  Raluca Șerban |
| Champwd: | Maria Kononova / Maria Kozyreva |
| Main Name: | Florianópolis Challenger Engie Open Florianópolis |
| Before Name: | Florianópolis Challenger |
The 2024 Engie Open Florianópolis was a professional tennis tournament played on outdoor clay courts. It was the third (men) and 1st (women) editions of the tournament, which were part of the 2024 ATP Challenger Tour and the 2024 ITF Women's World Tennis Tour. It took place in Florianópolis, Brazil, between 1 and 7 April 2024.[1]
See main article: 2024 Engie Open Florianópolis – Men's singles.
Enzo Couacaud def. 
João Lucas Reis da Silva 3–6, 6–4, 7–6(7–1).See main article: 2024 Engie Open Florianópolis – Women's singles.
Raluca Șerban def. Séléna Janicijevic, 7–5, 6–2See main article: 2024 Engie Open Florianópolis – Men's doubles.
Daniel Cukierman / Carlos Sánchez Jover def. 
Lorenzo Joaquín Rodríguez / Franco Roncadelli 6–0, 3–6, [10–4].See main article: 2024 Engie Open Florianópolis – Women's doubles.
Katarina Jokić / Rebeca Pereira, 6–4, 6–3| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Brazil | Thiago Monteiro | 110 | 1 | |
| Argentina | Francisco Comesaña | 115 | 2 | |
| Brazil | ||||
| Argentina | Román Andrés Burruchaga | 161 | 4 | |
| Argentina | Genaro Alberto Olivieri | 185 | 5 | |
| France | Geoffrey Blancaneaux | 220 | 6 | |
| France | Enzo Couacaud | 231 | 7 | |
 Canada | Liam Draxl | 257 | 8 |
The following players received wildcards into the singles main draw:
Pedro Boscardin Dias Gustavo Ribeiro de Almeida Nicolas ZanellatoThe following player received entry into the singles main draw as a special exempt:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Mateo Barreiros Reyes Daniel Cukierman Lorenzo Joaquín Rodríguez Gabriel Roveri Sidney Paulo André Saraiva dos Santos Camilo Ugo CarabelliThe following players received entry as lucky losers:
| Country | Player | Rank | Seed | |
|---|---|---|---|---|
| Ekaterina Makarova | 161 | 1 | ||
| Argentina | Martina Capurro Taborda | 162 | 2 | |
| Argentina | Solana Sierra | 177 | 3 | |
| Cyprus | Raluca Șerban | 208 | 4 | |
| France | Séléna Janicijevic | 233 | 5 | |
 Ukraine | Valeriya Strakhova | 252 | 6 | |
 United States | Maria Mateas | 275 | 7 | |
 Italy | Georgia Pedone | 298 | 8 |
The following players received wildcards into the singles main draw:
Camilla Bossi Ana Candiotto Luiza Fullana Júlia Konishi Camargo SilvaThe following player received entry into the singles main draw using a special ranking:
The following players received entry from the qualifying draw:
Berta Bonardi Nicole Fossa Huergo Letícia Garcia Vidal
Oana Gavrilă Katarina Jokić
Noelia Zeballos