The 2024 Istanbul Challenger was a professional tennis tournament played on hard courts.

It was the 38th edition of the tournament which was part of the 2024 ATP Challenger Tour.

It took place in Istanbul, Türkiye between 2 and 8 September 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: