| 2015 Coupe Banque Nationale | |
|---|---|
| Date | September 14–20 |
| Edition | 23rd |
| Category | WTA International |
| Draw | 32S (24Q) / 16D (0Q) |
| Prize money | US$250,000 |
| Surface | Carpet – indoors |
| Location | Quebec City, Canada |
| Venue | PEPS de l'Université Laval |
| Champions | |
| Singles | |
 Annika Beck | |
| Doubles | |
 Barbora Krejčíková /  An-Sophie Mestach | |
The 2015 Coupe Banque Nationale was a women's tennis tournament played on indoor carpet courts. It was the 23rd edition of the Tournoi de Québec and part of the WTA International tournaments of the 2015 WTA Tour. It took place at the PEPS de l'Université Laval in Quebec City, Canada, from September 14 through September 20, 2015. Fifth-seeded Annika Beck won the singles title.