The 2015 Challenger Banque Nationale de Saguenay was a professional tennis tournament played on indoor hard courts.

It was the 10th edition of the tournament and part of the 2015 ITF Women's Circuit, offering a total of $50,000 in prize money.

It took place in Saguenay, Quebec, Canada between October 19 and October 25, 2015.

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 lucky loser: