The 2025 Challenger de Tigre, known as AAT Challenger Santander edición Tigre, was a professional tennis tournament played on clay courts.

It was the fifth edition of the tournament which was part of the 2025 ATP Challenger Tour.

It took place in Tigre, Argentina between 13 and 19 January 2025.

[1][2] 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 an alternate: The following players received entry from the qualifying draw: