Jepang Terbuka 2011 (bahasa Inggris: 2011 Yonex Japan Super Seriescode: en is deprecated ) adalah turnamen bulu tangkis yang merupakan seri ke-delapan dari rangkaian BWF Super Series 2011. Turnamen ini diadakan di Tokyo, Jepang pada 20-25 September 2011.

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
	1	Lee C W	21	21
		R Ouseph	13	13
								1	Lee C W	21	21
									Wang ZM	19	14
		Wong W K	21	13
		Wang ZM	23	21
															1	Lee C W	21	21	21
																K Tago	23	7	18
	5	T Hidayat	17	21	18
	Q4	Chou T C	21	12	21
								Q4	Chou T C	17	11
									K Tago	21	21
		Chan Y K	12	13
		K Tago	21	21
																						1	Lee C W
																						3	P Gade
	3	P Gade	21	21
		M Zwiebler	15	18
								3	P Gade	21	21
									Shon W-h	17	17
		Shon W-h	21	21
		H-K Vittinghus	13	11
															3	P Gade	21	21
																S Santoso	14	15
	7	Nguyen T M	18	19
		A Jayaram	21	21
									A Jayaram	20	16
									S Santoso	22	21
	Q3	S Wada	14	14
		S Santoso	21	21

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
		J Ø Jørgensen	21	21
		B Ponsana	16	19
									J Ø Jørgensen	21	21
									D H Rumbaka	14	16
		D H Rumbaka	21	21
	8	Du PY	10	16
																J Ø Jørgensen	14	13
															4	Chen L	21	21
	Q2	S Avihingsanon	18	15
	Q1	T Ueda	21	21
								Q1	T Ueda	15	21	19
								4	Chen L	21	15	21
		K Yamada	14	20
	4	Chen L	21	22
																						4	Chen L
																						2	Lin D
		V Axelsen	21	14	14
		K Parupalli	19	21	21
									K Parupalli	15	21	18
								6	Chen J	21	6	21
		S Sasaki	12	15
	6	Chen J	21	21
															6	Chen J	22	14	20
															2	Lin D	20	21	22
		Hu Y	17	21	21
		T Sugiarto	21	15	16
									Hu Y	19	21	18
								2	Lin D	21	11	21
		Lee H-i	16	21	12
	2	Lin D	21	11	21

	Semi-final							Final
	1	Lee Chong Wei	21	21
	3	Peter Gade	13	16
								1	Lee Chong Wei	8	21	19
								4	Chen Long	21	10	21
	4	Chen Long	w	/	o
	2	Lin Dan

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
	1	Wang YH	21	21
		Yao J	14	8
								1	Wang YH	21	21
									Sung J-h	19	14
		Sung J-h	20	21	21
		E Hirose	22	14	17
															1	Wang YH	21	14	21
															5	T Baun	17	21	15
	5	T Baun	19	21	21
	Q1	Tse Y S	21	7	17
								5	T Baun	21	13	21
									M F Kusumastuti	18	21	10
	Q2	S Tearattanachai	21	15	18
		M F Kusumastuti[1]	13	21	21
																						1	Wang YH	w	/	o
																						6	Liu X
	3	Wang X	21	21
		Bae Y-j	8	9
								3	Wang X	13	21	20
									Tai T-y	21	16	22
		Tai T-y	21	21
		A Firdasari	13	18
																Tai T-y	20	15
															6	Liu X	22	21
	6	Liu X	21	21
		Yip P Y	15	17
								6	Liu X	18	21	21
								Q3	N Okuhara	21	7	19
		L Fanetri	14	17
	Q3	N Okuhara	21	21

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
		P Nedelcheva	4	21	12
		Gu J	21	13	21
									Gu J	21	11	21
									S Sato	16	21	19
		S Sato	21	11
	7	Cheng S-c	15	4r
																Gu J	17	13
															4	S Nehwal	21	21
		Fu MT	21	21
		S Ponsana	15	15
									Fu MT	17	16
								4	S Nehwal	21	21
		I Ratchanok	17	10
	4	S Nehwal	21	21
																						4	S Nehwal	19	10
																						8	J Schenk	21	21
		A Kurihara	11	19
		A Yuswandari	21	21
									A Yuswandari	21	14	20
								8	J Schenk	16	21	22
		A Goto	10	8
	8	J Schenk	21	21
															8	J Schenk	21	21
															2	Wang SX	15	19
	Q4	M Minatsu	21	12	21
		P Buranaprasertsuk	18	21	19
								Q4	M Minatsu	16	12
								2	Wang SX	21	21
		Pi HY	9	21	11
	2	Wang SX	21	12	21

	Semi-final							Final
	1	Wang Yihan	w	/	o
	6	Liu Xin
								1	Wang Yihan
								8	Juliane Schenk
	4	Saina Nehwal	19	10
	8	Juliane Schenk	21	21

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
	1	Cai Y Fu HF	21	21
		Chen H-l Lin Y-l	13	16				1	Cai Y Fu HF	21	21
		I Kindervater J Schöttler	20	19				Q2	Liao M-c Wu C-w	16	13
	Q2	Liao M-c Wu C-w	22	21											1	Cai Y Fu HF	21	21
	7	A Y Chandra H A Gunawan	21	21											7	A Y Chandra H A Gunawan	12	14
		Hong W Shen Y	16	14				7	A Y Chandra H A Gunawan	21	14	21
		A Pratama R A Saputra	13	17					Cho G-w Kwon Y-g	19	21	15
		Cho G-w Kwon Y-g	21	21																		1	Cai Y Fu HF	21	19	21
	3	Koo K K Tan B H	21	21																		3	Koo K K Tan B H	17	21	19
	Q4	H Saeki R Taohata	10	8				3	Koo K K Tan B H	17	21	21
		Y Hirobe K Kazuno	21	21					Y Hirobe K Kazuno	21	11	18
		R Bosch K Ridder	9	8											3	Koo K K Tan B H	21	19	21
	8	H Hashimoto N Hirata	23	15	18											Goh W S Lim K W	16	21	17
		Chai B Guo ZD	21	21	21				Chai B Guo ZD	21	19	19
		Kim K-j Shin B-c	20	19					Goh W S Lim K W	19	21	21
		Goh W S Lim K W	22	21

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
		B Issara M Jongjit	21	19	21
		H Bach T Gunawan	19	21	18				B Issara M Jongjit	21	21	20
		Liu XL Qiu ZH	21	11					Liu XL Qiu ZH	17	23	22
	5	Jung J-s Yoo Y-s	14	8r												Liu XL Qiu ZH	5	16
		Fang C-m Lee S-m	21	21											4	M Ahsan B Septano	21	21
		C Adcock A Ellis	17	8					Fang C-m Lee S-m	15	21	16
		H Endo K Hayakawa	21	17	16			4	M Ahsan B Septano	21	18	21
	4	M Ahsan B Septano	15	21	21																	4	M Ahsan B Septano
		S Anugritayawan S Prapakamol	10	22	21																	6	M Kido H Setiawan
		M Conrad-Petersen J Rasmussen	21	20	19				S Anugritayawan S Prapakamol	7	19
		K.T. R Kumar S Thomas	13	12				6	M Kido H Setiawan	21	21
	6	M Kido H Setiawan	21	21											6	M Kido H Setiawan	21	15	21
	Q1	P Chalardchaleam N Puangpuapech	8	16											Q3	Ko S-h Lee Y-d	10	21	14
	Q3	Ko S-h Lee Y-d	21	21				Q3	Ko S-h Lee Y-d	21	21
		N Kawamae S Sato	21	21					N Kawamae S Sato	16	15
	2	M Boe C Mogensen	15	18

	Semi-final							Final
	1	Cai Yun   Fu Haifeng	21	19	21
	3	Koo Kien Keat   Tan Boon Heong	17	21	19
								1	Cai Yun   Fu Haifeng	21	23
								4	Mohammad Ahsan   Bona Septano	13	21
	4	Mohammad Ahsan   Bona Septano	15	21	21
	6	Markis Kido   Hendra Setiawan	21	16	18

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
	PFQ	N Fukuman K Yonao	21	14	11
		M Ichimaru S Tanaka	14	21	21				M Ichimaru S Tanaka	22	20	15
		Eom H-w Jang Y-n	21	21					Eom H-w Jang Y-n	20	22	21
		Fu MT Xing AY	19	12												Eom H-w Jang Y-n	17	8
	5	Cheng W-h Chien Y-c	21	21											5	Cheng W-h Chien Y-c	21	21
	Q2	Y Itagaki C Tamura	13	11				5	Cheng W-h Chien Y-c	14	21	21
		Y Koharu Y Miki	21	21					Y Koharu Y Miki	21	14	7
	PFQ	Chen H-h Pai H-m	7	15																		5	Cheng W-h Chien Y-c	21	21
	4	Tian Q Zhao YL	18	21	21																		Poon L Y Tse Y S	17	16
		V Marissa N Melati	21	9	18			4	Tian Q Zhao YL	11	20
		M Misaki A Takahashi	15	15					C Pedersen K Rytter Juhl	21	22
		C Pedersen K Rytter Juhl	21	21												C Pedersen K Rytter Juhl	21	12	15
	8	M Jauhari G Polii	21	21												Poon L Y Tse Y S	11	21	21
	Q3	Lei S C Mak K L	8	19				8	M Jauhari G Polii	7r
		Cheng S Pan P	18	17					Poon L Y Tse Y S	17
		Poon L Y Tse Y S	21	21

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
		Chang H-y Lai C-w	8	17
		J Gutta A Ponnappa	21	21					J Gutta A Ponnappa	9	21	22
		Hsieh P-c Wang P-r	19	13				7	Ha J-e Kim M-j	21	18	24
	7	Ha J-e Kim M-j	21	21											7	Ha J-e Kim M-j	12	21	16
		A F Agustin N K Maheswari	17	21	21										3	M Fujii R Kakiiwa	21	9	21
		J Wallwork G White	21	7	13				A F Agustin N K Maheswari	21	17	18
		S Amitapai S Nessara	13	12				3	M Fujii R Kakiiwa	11	21	21
	3	M Fujii R Kakiiwa	21	21																		3	M Fujii R Kakiiwa
		Jung K-e Kim H-n	21	21																			Bao YX Zhong QX
	PFQ	L Narissapat S Thoungthongkam	12	14					Jung K-e Kim H-n	11	18
		D Aroonkesorn K Voravichitchaikul	12	19				6	S Matsuo M Naito	21	21
	6	S Matsuo M Naito	21	21											6	S Matsuo M Naito	21	20	19
		L Jonathans P van Dooremalen	21	21												Bao YX Zhong QX	18	22	21
		V Sorokina N Vislova	17	18					L Jonathans P van Dooremalen	13	9
		Bao YX Zhong QX	21	21					Bao YX Zhong QX	21	21
	2	M Maeda S Suetsuna	13	17

	Semi-final							Final
	5	Cheng Wen-hsing   Chien Yu-chin	21	21
		Poon Lok Yan   Tse Ying Suet	17	16
								5	Cheng Wen-hsing   Chien Yu-chin	21	23	12
									Bao Yixin   Zhong Qianxin	13	25	21
	3	Mizuki Fujii   Reika Kakiiwa	21	22	15
		Bao Yixin   Zhong Qianxin	17	24	21

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
	1	Zhang N Zhao YL	21	21
		H Hashimoto M Fujii	14	13				1	Zhang N Zhao YL	21	21
		Lee Y-d Ha J-e	19	21	21				Lee Y-d Ha J-e	11	19
		K Hayakawa M Misaki	21	18	14										1	Zhang N Zhao YL	21	21
	6	S Anugritayawan K Voravichitchaikul	22	12	21											Xu C Ma J	12	12
	Q1	Shin B-c Kim H-n	20	21	18			6	S Anugritayawan K Voravichitchaikul	9	18
		Xu C Ma J	21	21					Xu C Ma J	21	21
		Wong W H Chau H W	17	13																		1	Zhang N Zhao YL
	3	S Prapakamol S Thoungthongkam	21	21																		5	Chen H-l Cheng W-h
	Q4	Ko S-h Eom H-w	13	17				3	S Prapakamol S Thoungthongkam	21	21
	Q3	N Hirata M Maeda	17	23					C Adcock I Bankier	18	15
		C Adcock I Bankier	21	25											3	S Prapakamol S Thoungthongkam	18	15
	5	Chen H-l Cheng W-h	21	21											5	Chen H-l Cheng W-h	21	21
		R Mateusiak N Zieba	17	15'				5	Chen H-l Cheng W-h	21	21
		S Ikeda R Shiota	20	15					Diju V. J Gutta	15	10
		Diju V. J Gutta	22	21

	Babak Pertama							Babak Kedua							Perempat-final							Semi-final
		A Nikolaenko V Sorokina	21	21
		Fang C-m Wang P-r	17	14					A Nikolaenko V Sorokina	13	19
		S Sato S Matsuo	21	21					S Sato S Matsuo	21	21
	8	F Kurniawan P Z Bernadeth	16	9												S Sato S Matsuo	13	10
		M Jongjit S Amitapai	18	21	13										4	J Fischer Nielsen C Pedersen	21	21
		N Widianto V Marissa	21	16	21				N Widianto V Marissa	21	17	20
		He HB Bao YX	12	17				4	J Fischer Nielsen C Pedersen	17	21	22
	4	J Fischer Nielsen C Pedersen	21	21																		4	J Fischer Nielsen C Pedersen
		M Rijal D Susanto	19	18																		7	M Fuchs B Michels
		Lee S-m Chien Y-c	21	21					Lee S-m Chien Y-c	11	15
		T Laybourn K Rytter Juhl	20	20				7	M Fuchs B Michels	21	21
	7	M Fuchs B Michels	22	22											7	M Fuchs B Michels	21	22
		R Blair G White	24	21	17										Q2	Hong W Pan P	12	20
	Q2	Hong W Pan P	22	23	21			Q2	Hong W Pan P	18	21	21
		N Robertson J Wallwork	10	18				2	T Ahmad L Natsir	21	19	15
	2	T Ahmad L Natsir	21	21

	Semi-final							Final
	1	Zhang Nan   Zhao Yunlei	21	22	17
	5	Chen Hung-ling   Cheng Wen-hsing	19	24	21
								5	Chen Hung-ling   Cheng Wen-hsing	21	16	21
								4	Joachim Fischer Nielsen   Christinna Pedersen	19	21	15
	4	Joachim Fischer Nielsen   Christinna Pedersen	18	21	21
	7	Michael Fuchs   Birgit Michels	21	7	19

• Dari pertandingan babak semifinal yang digelar Sabtu, 24 September 2011, pasangan ganda putra Mohammad Ahsan/Bona Septano memetik kemenangan atas rekan senegaranya Markis Kido/Hendra Setiawan, 15-21, 21-16 dan 21-18, dan menjadi satu-satunya wakil Indonesia yang masuk ke babak final.^[2]

• (Inggris) Situs resmi Diarsipkan 2011-09-23 di Wayback Machine.