The 2024 Heilbronner Neckarcup was a professional tennis tournament played on clay courts.

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

It took place in Heilbronn, Germany between 3 and 9 June 2024.

[1] 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: