2011 China Open – Women's singles

Agnieszka Radwańska defeated Andrea Petkovic in the final, 7–5, 0–6, 6–4 to win the women's singles tennis title at the 2011 China Open. This was the second consecutive year that the champion in Beijing also won the title in Tokyo.

Caroline Wozniacki was the defending champion, but lost in the quarterfinals to Flavia Pennetta.

Seeds
• # Caroline Wozniacki (quarterfinals)

• # 🇧🇾 Victoria Azarenka (third round, withdrew due to a right foot injury)

• # 🇷🇺 Vera Zvonareva (third round)

• # 🇨🇳 Li Na (first round)

• # 🇨🇿 Petra Kvitová (second round)

• # 🇦🇺 Samantha Stosur (second round)

• # 🇮🇹 Francesca Schiavone (second round)

• # 🇫🇷 Marion Bartoli (third round)

• # 🇩🇪 Andrea Petkovic (final)

• # 🇷🇸 Jelena Janković (first round)

• # 🇵🇱 Agnieszka Radwańska (champion)

• # 🇨🇳 Peng Shuai (first round)

• # 🇷🇺 Anastasia Pavlyuchenkova (quarterfinals)

• # 🇩🇪 Sabine Lisicki (second round, withdrew due to gastrointestinal illness)

• # 🇮🇹 Roberta Vinci (second round)

• # 🇷🇺 Svetlana Kuznetsova (second round) The four Tokyo semifinalists received a bye into the second round. They are as follows:
 * 🇧🇾 Victoria Azarenka
 * 🇨🇿 Petra Kvitová
 * 🇵🇱 Agnieszka Radwańska
 * 🇷🇺 Vera Zvonareva