2012 Rogers Cup – Women's singles

Petra Kvitová defeated Li Na in the final, 7–5, 2–6, 6–3 to win the women's singles tennis title at the 2012 Canadian Open.

Serena Williams was the reigning champion, but chose not to compete this year.

Seeds
All seeds receive a bye into the second round. • # 🇧🇾 Victoria Azarenka (second round, retired because of a left knee injury)

• # 🇵🇱 Agnieszka Radwańska (quarterfinals)

• # 🇷🇺 Maria Sharapova (withdrew because of a stomach virus)

• # 🇦🇺 Samantha Stosur (third round)

• # 🇨🇿 Petra Kvitová (champion)

• # 🇩🇪 Angelique Kerber (third round)

• # Caroline Wozniacki (semifinals)

• # 🇮🇹 Sara Errani (third round)

• # 🇫🇷 Marion Bartoli (third round)

• # 🇨🇳 Li Na (final)

• # 🇷🇸 Ana Ivanovic (second round)

• # 🇸🇰 Dominika Cibulková (second round)

• # 🇷🇸 Jelena Janković (second round)

• # 🇮🇹 Flavia Pennetta (second round, retired because of a right wrist injury)

• # 🇩🇪 Sabine Lisicki (second round)

• # 🇨🇿 Lucie Šafářová (semifinals)

Seeds
• # 🇵🇱 Urszula Radwańska (qualifying competition, lucky loser)

• # 🇺🇸 Vania King (withdrew because of a change of schedule)

• # 🇰🇿 Galina Voskoboeva (qualifying competition, lucky loser)

• # 🇨🇿 Barbora Záhlavová-Strýcová (second round)

• # 🇨🇿 Iveta Benešová (qualifying competition)

• # Arantxa Rus (qualified)

• # 🇭🇺 Tímea Babos (qualified)

• # 🇷🇸 Bojana Jovanovski (first round)

• # 🇱🇺 Mandy Minella (first round)

• # Kiki Bertens (qualified)

• # Anna Tatishvili (qualified)

• # 🇸🇪 Johanna Larsson (qualifying competition)

• # 🇺🇸 Julia Cohen (first round)

• # 🇷🇺 Vera Dushevina (qualifying competition)

• # Mirjana Lučić (qualifying competition)

• # 🇸🇰 Magdaléna Rybáriková (withdrew because of her qualification for the Citi Open final)

• # 🇺🇸 Irina Falconi (second round)

• # 🇰🇿 Sesil Karatantcheva (qualified)

Qualifiers
• # Anna Tatishvili

• # 🇰🇿 Sesil Karatantcheva

• # 🇫🇷 Aravane Rezaï

• # Michelle Larcher de Brito

• # 🇸🇰 Jana Čepelová

• # Arantxa Rus

• # 🇭🇺 Tímea Babos

• # Kiki Bertens

Lucky losers

 * 1) 🇵🇱 Urszula Radwańska
 * 2) 🇰🇿 Galina Voskoboeva