The 2023 Cleveland Open was a professional tennis tournament played on indoor hard courts.

It was the fifth edition of the tournament which was part of the 2023 ATP Challenger Tour.

It took place in Cleveland, Ohio, United States between January 30 and February 5, 2023.

The following players received wildcards into the singles main draw: The following player received entry into the singles main draw as an alternate: The following players received entry from the qualifying draw: