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 Paris 2013 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.

	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

	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

	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

	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

	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

• Main Draw