The 2017 Challenger Banque Nationale de Saguenay was a professional tennis tournament played on indoor hard courts. It was the 12th edition of the tournament and part of the 2017 ITF Women's Circuit, offering a total of $60,000 in prize money. It took place in Saguenay, Quebec, Canada between October 23 and October 29, 2017.
Singles main-draw entrants
Seeds
1 Rankings are as of October 16, 2017
Other entrants
The following players received wildcards into the singles main draw: Isabelle Boulais Leylah Annie Fernandez Catherine Leduc Charlotte Robillard-Millette
The following player entered the singles main draw with a protected ranking: Ysaline Bonaventure
The following players received entry from the qualifying draw: Elena Bovina Quinn Gleason Alexandra Stevenson Xu Shilin
Champions
Singles
Gréta Arn def. Bibiane Schoofs, 6–1, 6–2
Doubles
Bianca Andreescu / Carol Zhao def. Francesca Di Lorenzo / Erin Routliffe by walkover