| 2011 Challenger Banque Nationale de Granby | |
|---|---|
| Date | July 11 – July 17 | 
| Edition | 18th (men) 1st (women) | 
| Category | ATP Challenger Tour ITF Women's Circuit | 
| Prize money | US$50,000+H (men) US$25,000 (women) | 
| Surface | Hard – outdoors | 
| Location | Granby, Quebec, Canada | 
| Venue | Club de tennis des Loisirs de Granby | 
| Champions | |
| Men's singles | |
|  Édouard Roger-Vasselin | |
| Women's singles | |
| .svg.png.webp) Stéphanie Dubois | |
| Men's doubles | |
|  Karol Beck /  Édouard Roger-Vasselin | |
| Women's doubles | |
| .svg.png.webp) Sharon Fichman /  Sun Shengnan | |
The 2011 Challenger Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts. It was the 18th edition, for men, and 1st edition, for women, of the tournament and part of the 2011 ATP Challenger Tour and the 2011 ITF Women's Circuit, offering totals of $50,000, for men, and $25,000, for women, in prize money. It took place in Granby, Quebec, Canada between July 11 and July 17, 2011.
Men's singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed | 
|---|---|---|---|
|  ISR | Dudi Sela | 82 | 1 | 
|  GER | Matthias Bachinger | 92 | 2 | 
|  FRA | Nicolas Mahut | 95 | 3 | 
|  SVK | Karol Beck | 102 | 4 | 
|  JPN | Tatsuma Ito | 111 | 5 | 
|  FRA | Édouard Roger-Vasselin | 136 | 6 | 
|  FRA | Arnaud Clément | 169 | 7 | 
| .svg.png.webp) CAN | Vasek Pospisil | 191 | 8 | 
- 1 Rankings are as of July 4, 2011
Other entrants
The following players received wildcards into the singles main draw:
.svg.png.webp) Steven Diez Steven Diez
.svg.png.webp) Kamil Pajkowski Kamil Pajkowski
.svg.png.webp) Milan Pokrajac Milan Pokrajac
.svg.png.webp) Zachary White Zachary White
The following player received entry as an alternate:
 Antoine Benneteau Antoine Benneteau
The following players received entry from the qualifying draw:
 Sekou Bangoura Sekou Bangoura
.svg.png.webp) Jean-François Bérard Jean-François Bérard
.svg.png.webp) Filip Peliwo Filip Peliwo
.svg.png.webp) Yoann Ré Yoann Ré
Champions
Men's singles
 Édouard Roger-Vasselin def.
 Édouard Roger-Vasselin def.  Matthias Bachinger, 7–6(11–9), 4–6, 6–1
 Matthias Bachinger, 7–6(11–9), 4–6, 6–1
Women's singles
.svg.png.webp) Stéphanie Dubois def.
 Stéphanie Dubois def.  Zhang Ling, 6–2, 2–6, 6–1
 Zhang Ling, 6–2, 2–6, 6–1
Men's doubles
 Karol Beck /
 Karol Beck /  Édouard Roger-Vasselin def.
 Édouard Roger-Vasselin def.  Matthias Bachinger /
 Matthias Bachinger /  Frank Moser, 6–1, 6–3
 Frank Moser, 6–1, 6–3
Women's doubles
.svg.png.webp) Sharon Fichman /
 Sharon Fichman /  Sun Shengnan def.
 Sun Shengnan def.  Viktoryia Kisialeva /
 Viktoryia Kisialeva /  Nathalia Rossi, 6–4, 6–2
 Nathalia Rossi, 6–4, 6–2