The 2015 Aegon Ilkley Trophy was a professional tennis tournament played on outdoor grass courts.

It was the first edition of the tournament and part of the 2015 ATP Challenger Tour and 2015 ITF Women's Circuit, offering a total of €42,500 (ATP) and $50,000+H (ITF) in prize money.

It took place in Ilkley, United Kingdom, on 15–21 June 2015.

The following players received wildcards into the singles main draw: The following players received entry as a special exempt into the singles main draw: The following players used protected entry to gain entry into the singles main draw: The following players received entry as an alternate into the singles main draw: The following players received entry from the qualifying draw: The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: