Japan

Japan has participated in the GreatVision Song Contest fifteen times, debuting in the first edition.
==Contestants==
===Table key===
: Winner
: Second place
: Third place
: Automatically qualified to the final
: Did not qualify for the final or disqualified
: Last place
: Did not compete
Edt	Host city 	Artist 	Song 	Final 	Points 	Semi	Points
#01	Los Angeles 	GARNiDELiA 	"Yakusoku (Promise Code)" 	Failed to qualify	Failed to qualify	17 	82
#02	Lviv 	Perfume 	"Flash" 	5 	278 	4 	233
#03	Athens 	LiSA 	"Catch The Moment" 	21 	156 	AQ 	AQ
#04	Barcelona 	Masayoshi Ooishi 	"Kimi Ja Nakya Dame Mitai"	Failed to qualify	Failed to qualify	21 	56
#05	Seoul 	LiSA 	"Brave Freak Out" 	25 	136 	10 	134
#06	Tirana 	Aimer 	"One" 	Failed to qualify	Failed to qualify	13 	120
#07	Sofia 	Dean Fujioka 	"Let It Snow!" 	Failed to qualify	Failed to qualify	18 	93
#08	Helsinki 	Hiroomi Tosaka feat. Afrojack	"Diamond Sunset" 	16 	202 	9 	140
#09	Pyongyang 	3-nen E-gumi Utatan 	"Jiriki Hongan Revolution"	Failed to qualify	Failed to qualify	16 	68
#10	Los Angeles 	Perfume 	"Pick Me Up" 	19 	172 	6 	167
#11	Sydney 	Mariya Nishiuchi 	"Motion" 	22 	137 	10 	126
#12	Andorra la Vella	Mitski 	"Geyser" 	Failed to qualify	Failed to qualify	15 	107
#13	Seoul 	Rina Sawayama 	"Alterlife" 	Failed to qualify	Failed to qualify	12 	138
#14	Kazan 	Perfume 	"Let Me Know" 	7 	242 	2 	222
#15	Busan 	LiSA 	"ADAMAS" 	Failed to qualify	Failed to qualify	20 	57
#16	Belgrade 	Reol 	"Gekihaku" 	13 	200 	5 	173
#17	Jakarta 	IZ*ONE 	"Violeta" 	10 	252 	9 	169
#18	Berlin 	Aimer 	"I Beg You" 	Failed to qualify	Failed to qualify	18 	70
#19	Bucharest 	Namie Amuro 	"Mint" 	Failed to qualify	Failed to qualify	11 	131
#20	Seoul 	MIREI 	"Lonely in Tokyo" 	8 	261 	3 	198
#21	Auckland 	Lastlings 	"I've Got You" 	16 	205 	7 	172
#22	London 	Dean Fujioka 	"History Maker" 	Failed to qualify	Failed to qualify	14 	89
#23	Novi Sad 	Mike Rubino feat. Marié Digby	"The Way Back Home To You"	 	 	 	
==Commentators and spokespersons==
Edition	Commentator 	Spokesperson 	Channel
#1 	Hinata Shouyou & Kageyama Tobio 	Kana Nishino 	
#2 	Ennoshita Chikara & Futakuchi Kenji 	No speaksperson	
#3 	Mihashi Ren & Takaya Abe 	No speaksperson	
#4 	Mihashi Ren & Takaya Abe 	No speaksperson	
#5 	Mihashi Ren & Takaya Abe 	No speaksperson	
#6 	Mihashi Ren & Takaya Abe 	No speaksperson	
#7 	Mihashi Ren & Takaya Abe 	No speaksperson	
#8 	Mikado Ryugamine & Kida Masaomi 	No speaksperson	
#9 	Mikado Ryugamine & Kida Masaomi 	No speaksperson	
#10 	Maehara Hiroto & Isogai Yuuma 	No speaksperson	
#11 	Maehara Hiroto & Isogai Yuuma 	No speaksperson	
#12 	Maehara Hiroto & Isogai Yuuma 	No speaksperson	
#13 	Rin Okumura & Renzou Shima 	No speaksperson	
#14 	Yuuya Kazami 	No speaksperson	
#15 	Yukihara Souma & Aldini Takumi 	No speaksperson	
#16 	Hinata Shouyou & Kageyama Tobio 	No speaksperson	
#17 	Hinata Shouyou & Kageyama Tobio 	No speaksperson	
#18 	Midoriya Izuku, Todoroki Shoto, Shinso Hitoshi & Ojiro Mashirao	No speaksperson	
#19 	Midoriya Izuku, Todoroki Shoto, Shinso Hitoshi & Ojiro Mashirao	No speaksperson	
#20 	Midoriya Izuku, Todoroki Shoto, Shinso Hitoshi & Ojiro Mashirao	No speaksperson	
#21 	Midoriya Izuku, Todoroki Shoto, Shinso Hitoshi & Ojiro Mashirao	No speaksperson	
#22 	Sakuya Sakuma, Tenma Sumeragi & Itaru Chigasaki 	No speaksperson	
#23 	Sakuya Sakuma, Tenma Sumeragi & Itaru Chigasaki 	No speaksperson