The 2024 Challenger AAT 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 Buenos Aires, Argentina between 8 and 14 January 2024.

The following players received wildcards into the singles main draw: The following players received entry into the singles main draw as alternates: The following players received entry from the qualifying draw: