The 2024 Santos Brasil Tennis Cup was a professional tennis tournament played on clay courts.

It was the first edition of the tournament which was part of the 2024 ATP Challenger Tour.

It took place in Santos, Brazil between 6 and 12 May 2024.

The following players received wildcards into the singles main draw: The following player received entry into the singles main draw using a protected ranking: 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: