The 2011 Challenger Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts.

The following players received wildcards into the singles main draw: The following player received entry as an alternate: The following players received entry from the qualifying draw: Édouard Roger-Vasselin def.

Matthias Bachinger, 7–6(11–9), 4–6, 6–1 Stéphanie Dubois def.

Zhang Ling, 6–2, 2–6, 6–1 Karol Beck / Édouard Roger-Vasselin def.

Matthias Bachinger / Frank Moser, 6–1, 6–3 Sharon Fichman / Sun Shengnan def.