The boys' doubles of the tournament 2009 BWF World Junior Championships was held on 28 October–1 November 2009. The Malaysian pair of Chooi Kah Ming and Ow Yao Han took out the boys' doubles final defeating Indonesian pair, Berry Angriawan and Muhammad Ulinnuha in three sets.^[1]

	Semifinals							Final
	1	Angga Pratama Yohanes Rendy Sugiarto	21	15	18
	3/4	Chooi Kah Ming Ow Yao Han	13	21	21
								3/4	Chooi Kah Ming Ow Yao Han	19	21	23
								5/8	Berry Angriawan Muhammad Ulinnuha	21	12	21
	3/4	Tin Caballes Nipitphon Puangpuapech	19	15
	5/8	Berry Angriawan Muhammad Ulinnuha	21	21

	First round							Second round							Third round							Quarter Final
								1	A Pratama Y Sugiarto	21	26
									Guo JJ Li G	13	24
															1	A Pratama Y Sugiarto	21	19	21
		Chan DL Tam CH	10	13												J Arends J Maas	7	21	14
		J Arends J Maas	21	21					J Arends J Maas	21	21
		K Lehikoinen M Fartum							K Lehikoinen M Fartum	16	15
		L Khlaychchit L Shopheaktra	wo																			1	A Pratama Y Sugiarto	21	21
																						5/8	S Hoshino A Kobayashi	15	14
								5/8	S Hoshino A Kobayashi	21	22
		R Fladberg K Astrup	21	21					R Fladberg K Astrup	19	20
		R Ozturk E Vural	13	12											5/8	S Hoshino A Kobayashi	21	21
		Ngo YC G Ong	21	21												M Middleton T Penty	13	15
		N Blondel C Liu	13	18					Ngo YC G Ong	19	18
		M Middleton T Penty	21	21					M Middleton T Penty	21	21
		Bui QT Le V	16	18

	First round							Second round							Third round							Quarter Final
								3/4	Chooi KM Ow YH	21	21
									Lam CL Lei MF	6	11
															3/4	Chooi KM Ow YH	21	21
		N Hettiarachchi D Kariyawasam	19	18												S Bergstrom P Lundvist	17	12
		F Gauthier T Rouxel	21	21					F Gauthier T Rouxel	21	23
		S Bergstrom P Lundvist	21	22					S Bergstrom P Lundvist	23	25
		I Jenny J Kleiner	12	20																		3/4	Chooi KM Ow YH	21	22
																							Chang K-L Lin Y-T	17	20
								5/8	S Praneeth P Chopra	21	21
		W Buranakruea P Supasri	21	21					W Buranakruea P Supasri	16	14
		B Gurung S Tamrakar	6	14											5/8	S Praneeth P Chopra	14	15
		A Gobinathan E Hung	14	9												Chang K-L Lin Y-T	21	21
		Chang K-L Lin Y-T	21	21					Chang K-L Lin Y-T	21	21
		A Chee J Donaldson	21	13	14				L Charlesworth B Matheson	16	11
		L Charlesworth B Matheson	14	21	21

	First round							Second round							Third round							Quarter Final
		C Senvisoth S Kimhong	wo
		B Shrestha R Tammang							B Shrestha R Tammang	5	7
		T Arab M Bhatti	12	15					C Coles M Nottingham	21	21
		C Coles M Nottingham	21	21												C Coles M Nottingham	wo
		Le HA Tran DP	21	21											5/8	E Holst N Nohr
		B Chu N David	9	15					Le HA Tran DP	16	9
								5/8	E Holst N Nohr	21	21
																						5/8	E Holst N Nohr	18	12
		K Momota N Otaki	21	21																		3/4	T Caballes N Puangpuapech	21	21
		O Fernando H Perera	13	10					K Momota N Otaki	15	15
		Goh JH Pang ZL	21	21					Goh JH Pang ZL	21	21
		D Oud P Talayan	15	15												Goh JH Pang ZL	20	21	18
		Lee CH Ng KL	21	19	21										3/4	T Caballes N Puangpuapech	22	13	21
		Hung Y-Y Pan C-H	17	21	12				Lee CH Ng KL	23	16
								3/4	T Caballes N Puangpuapech	25	21

	First round							Second round							Third round							Quarter Final
		E Aslan H Oruc	21	17	21
		P Kaemnitz V Vattanirappel	17	21	13				E Aslan H Oruc	21	16	21
		A Heinz M Schwenger	21	21	21				A Heinz M Schwenger	15	21	13
		P Kumar S Reddy	23	11	13											E Aslan H Oruc	15	13
		T Lam N Lee	8	15											5/8	B Angriawan M Ulinnuha	21	21
		Tan KH J Wong	21	21					Tan KH J Wong	9	12
								5/8	B Angriawan M Ulinnuha	21	21
																						5/8	B Angriawan M Ulinnuha	21	15	21
		Cheang WL A de Assis	19	9																		2	Liu PX Lu K	17	21	13
		A Lopez L Munoz	21	21					A Lopez L Munoz	13	15
		P Magnaye P Vivas	21	21					P Magnaye P Vivas	21	21
		K Abramov D Balandin	13	11												P Magnaye P Vivas	16	14
															2	Liu PX Lu K	21	21
									M Baumann L Claerbout	14	15
								2	Liu PX Lu K	21	21