The 2023 Koser Jewelers Tennis Challenge was a professional tennis tournament played on outdoor hard courts.

It was the sixteenth edition of the tournament which was part of the 2023 ITF Women's World Tennis Tour.

It took place in Landisville, Pennsylvania, United States between 7 and 13 August 2023.

[1] The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following player received entry as a special exempt: