The women's singles tournament of the 2011 BWF World Championships (World Badminton Championships) was held from August 8 to 14. Wang Lin was the defending champion. Wang Yihan won the final against Cheng Shao-Chieh 21–15, 21–10.
Seeds
Wang Shixian (quarterfinals) Wang Yihan (champion) Wang Xin (semifinals) Jiang Yanjiao (third round) Tine Baun (quarterfinals) Saina Nehwal (quarterfinals) Cheng Shao-Chieh (final) Bae Youn-joo (second round) Juliane Schenk (semifinals) Porntip Buranaprasertsuk (third round) Ratchanok Intanon (third round) Petya Nedelcheva (third round) Sung Ji-hyun (third round) Yip Pui Yin (third round, retired) Eriko Hirose (second round) Sayaka Sato (third round)
Draw
Finals
Section 1
Section 2
Section 3
Section 4
References Main Draw