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Women's singles at the 2011 BWF World Championships
Venue	Wembley Arena
Location	London, England
Dates	August 8, 2011 (2011-08-08) – August 14, 2011 (2011-08-14)
Medalists
Wang Yihan    China   Cheng Shao-chieh    Chinese Taipei   Juliane Schenk    Germany   Wang Xin    China
← 2010 Paris2013 Guangzhou →

Events at the 2011 BWF World Championships
Singles	men	women
Doubles	men	women	mixed
v t e

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

1. Wang Shixian (quarterfinals)
2. Wang Yihan (champion)
3. Wang Xin (semifinals)
4. Jiang Yanjiao (third round)
5. Tine Baun (quarterfinals)
6. Saina Nehwal (quarterfinals)
7. Cheng Shao-Chieh (final)
8. Bae Youn-joo (second round)
9. Juliane Schenk (semifinals)
10. Porntip Buranaprasertsuk (third round)
11. Ratchanok Intanon (third round)
12. Petya Nedelcheva (third round)
13. Sung Ji-hyun (third round)
14. Yip Pui Yin (third round, retired)
15. Eriko Hirose (second round)
16. Sayaka Sato (third round)

Draw

Finals

	Quarterfinals							Semifinals							Final
	1	Wang Shixian	16	17
	7	Cheng Shao-chieh	21	21
								7	Cheng Shao-chieh	21	21
								9	Juliane Schenk	18	6
	9	Juliane Schenk	21	21
	5	Tine Baun	9	11
															7	Cheng Shao-chieh	15	10
															2	Wang Yihan	21	21
	6	Saina Nehwal	15	10
	3	Wang Xin	21	21
								3	Wang Xin	14	15
								2	Wang Yihan	21	21
		Pi Hongyan	14	16
	2	Wang Yihan	21	21

Section 1

	First Round							Second Round							Third Round							Quarterfinals
								1	Wang SX	21	21
		L Zetchiri	21	21					L Zetchiri	11	14
		R Rochdy	7	12											1	Wang SX	21	21
															10	P Buranaprasertsuk	7	11
								10	P Buranaprasertsuk	21	21
		M Chan	21	13	11				E Cann	12	19
		E Cann	16	21	21																	1	Wang SX	16	17
																						7	Cheng S-c	21	21
								7	Cheng S-c	21	21
		C Reid	9	19					L Tan	15	11
		L Tan	21	21											7	Cheng S-c	21	21
																C Marín	18	17
								15	E Hirose	23	16	16
		Yao J	18	21					C Marín	21	21	21
		C Marín	21	23

Section 2

	First Round							Second Round							Third Round							Quarterfinals
								4	Jiang YJ	21	21
		Fu MT	21	21					Fu MT	13	17
		L Griga	10	10											4	Jiang YJ	14	21	17
															9	J Schenk	21	7	21
								9	J Schenk	22	18	21
		L Fanetri	21	21					L Fanetri	20	21	11
		T Bibik	11	9																		9	J Schenk	21	21
																						5	T Baun	9	11
								5	T Baun	26	21
		J Cicognini	22	19	13				Chan TK	24	7
		Chan TK	20	21	21										5	T Baun	13	21	21
															13	Sung J-h	21	12	10
								13	Sung J-h	21	21
		M Tvrdy	11	13					A Goto	13	14
		A Goto	21	21

Section 3

	First Round							Second Round							Third Round							Quarterfinals
		S Egelstaff	20	16
		M Li	22	21					M Li	21	21	17
								14	Yip PY	23	17	21
															14	Yip PY	3	5	r
		A Firdasari	21	22	13										6	S Nehwal	21	13
		C Magee	13	24	21				C Magee	10	7
								6	S Nehwal	21	21
																						6	S Nehwal	15	10
		R Wang	17	17																		3	Wang X	21	21
		A Allegrini	21	21					A Allegrini	11	12
								12	P Nedelcheva	21	21
															12	P Nedelcheva	21	13	5
		K Gavnholt	16	15											3	Wang X	16	21	21
		A Prokopenko	21	21					A Prokopenko	15	13
								3	Wang X	21	21

Section 4

	First Round							Second Round							Third Round							Quarterfinals
		Tai T-y	wo
		O Konon							O Konon	20	11
								16	S Sato	22	21
															16	S Sato	18	14
		Pi HY	21	21												Pi HY	21	21
		S Walker	12	8					Pi HY	21	15	21
								8	Bae Y-j	9	21	13
																							Pi HY	14	16
		S Prutsch	10	18																		2	Wang YH	21	21
		J Meulendijks	21	21					J Meulendijks	18	21	14
								11	R Intanon	21	11	21
															11	R Intanon	21	12	9
		Gu J	21	21											2	Wang YH	13	21	21
		S Ponsana	19	17					Gu J	13	18
								2	Wang YH	21	21

References

• Main Draw

• 2011 BWF World Championships
• 2011 in women's badminton