| 2015 Challenger Banque Nationale de Saguenay | |
|---|---|
| Date | October 19–25 |
| Edition | 10th |
| Category | ITF Women's Circuit |
| Prize money | US$50,000 |
| Surface | Hard – indoors |
| Location | Saguenay, Quebec, Canada |
| Venue | Club de tennis intérieur Saguenay |
| Champions | |
| Singles | |
 Jovana Jakšić | |
| Doubles | |
 Mihaela Buzărnescu /  Justyna Jegiołka | |
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.