| Date: | July 24–30 |
| Edition: | 24th (men) 7th (women) |
| Category: | ATP Challenger Tour ITF Women's Circuit |
| Prize Money: | (men) (women) |
| Surface: | Hard – outdoors |
| Location: | Granby, Quebec, Canada |
| Venue: | Club de tennis des Loisirs de Granby |
| Champms: | Blaž Kavčič |
| Champws: |  Cristiana Ferrando |
| Champmd: |  Joe Salisbury /  Jackson Withrow |
| Champwd: |  Ellen Perez /  Carol Zhao |
| Main Name: | Challenger de Granby |
The 2017 Challenger Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts. It was the 24th edition, for men, and 7th edition, for women, of the tournament and part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit, offering totals of $100,000, for men, and $60,000, for women, in prize money. It took take place in Granby, Quebec, Canada between July 24 and 30, 2017.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Blaž Kavčič | 98 | 1 | ||
| Canada | Peter Polansky | 128 | 2 | |
 Japan | Go Soeda | 145 | 3 | |
| Canada | Denis Shapovalov | 161 | 4 | |
| Jason Jung | 164 | 5 | ||
 France | Vincent Millot | 169 | 6 | |
| Japan | Tatsuma Ito | 170 | 7 | |
| Japan | Yasutaka Uchiyama | 172 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw with a protected ranking:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Canada | Bianca Andreescu | 156 | 1 | |
 Czech Republic | Marie Bouzková | 198 | 2 | |
| France | Chloé Paquet | 205 | 3 | |
| Australia | Olivia Rogowska | 233 | 4 | |
 Hungary | Fanny Stollár | 238 | 5 | |
 Israel | Deniz Khazaniuk | 243 | 6 | |
| United Kingdom | Katie Boulter | 244 | 7 | |
| Japan | Mayo Hibi | 245 | 8 |
The following players received wildcards into the singles main draw:
The following player entered the singles main draw with a protected ranking:
The following players received entry from the qualifying draw:
Jessica Failla Jessika Ponchet Chanelle Van NguyenThe following player received entry as a lucky loser:
See main article: 2017 Challenger Banque Nationale de Granby – Men's singles.
Peter Polansky, 6–3, 2–6, 7–5See main article: 2017 Challenger Banque Nationale de Granby – Women's singles.
Cristiana Ferrando def. Katherine Sebov, 6–2, 6–3See main article: 2017 Challenger Banque Nationale de Granby – Men's doubles.
Joe Salisbury / Jackson Withrow def. Marcel Felder / Go Soeda, 4–6, 6–3, [10–6]See main article: 2017 Challenger Banque Nationale de Granby – Women's doubles.
Ellen Perez / Carol Zhao def. Alexa Guarachi / Olivia Tjandramulia, 6–2, 6–2
