| 2015 Challenger Banque Nationale de Saguenay | |
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| Date | October 19 – October 25 |
| Edition | 10th |
| Category | ITF Women's Circuit |
| Prize money | $50,000 |
| Surface | Hard / Indoor |
| Location | Saguenay, Quebec, Canada |
| Venue | Club de tennis intérieur Saguenay |
| Champions | |
| Singles | |
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| Doubles | |
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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: