2017 Challenger Banque Nationale de Gatineau – Women's singles

Bianca Andreescu was the defending champion, but decided not to participate this year.

Aleksandra Wozniak won the title, defeating Ellen Perez 7–6(7–4), 6–4 in the final.

Seeds
• #🇦🇺 Olivia Rogowska (second round)

• #🇺🇸 Danielle Lao (second round)

• #🇯🇵 Mayo Hibi (quarterfinals)

• #🇯🇵 Hiroko Kuwata (second round)

• # Michelle Larcher de Brito (first round)

• #🇨🇦 Aleksandra Wozniak (champion)

• #🇩🇪 Sarah-Rebecca Sekulic (semifinals)

• #🇯🇵 Miharu Imanishi (first round)