The 2026 Crete Challenger II was a professional tennis tournament played on hardcourts. It was the eighth edition of the tournament which was part of the 2026 ATP Challenger Tour. It took place in Hersonissos, Greece between 9 and 15 March 2026.
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw through the Junior Accelerator programme:
The following player received entry into the singles main draw through the Next Gen Accelerator programme:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw: