The 2023 Sparkassen ATP Challenger was a professional tennis tournament played on indoor hard courts in Ortisei, Italy between 23 and 29 October 2023.

It was the 14th edition of the tournament and was part of the 2023 ATP Challenger Tour.

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: