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] The following players received wildcards into the singles main draw: The 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: The following players received entry as lucky losers: The following players received wildcards into the singles main draw: The following player received entry into the singles main draw using a special ranking: The following players received entry from the qualifying draw: