List of Oricon number-one singles of 2020

The following is a list of Oricon number-one singles of 2020.

Chart history

Issue date	Song	Artist(s)	Ref.
January 6	"Gattan Gotton Go!"	Boys and Men	[1]
January 13	"Inochi no Uta"	Mariya Takeuchi	[2]
January 20	"Initial/Yume o Uchinuku Shunkan ni!"	Poppin'Party	[3]
January 27	"Sōyūtoko Aru yo ne?"	SKE48	[4]
February 3	"Imitation Rain/D.D."	SixTones vs. Snow Man	[5]
February 10	"Mubou na Yume wa Sameru Koto ga Nai"	STU48	[6]
February 17	"Imitation Rain/D.D."	SixTones vs. Snow Man	[7]
February 24			[8]
March 2	"Sonna Koto Nai yo"	Hinatazaka46	[9]
March 9	"I Am/Muah Muah"	Hey! Say! JUMP	[10]
March 16	"Protostar"	JO1	[11]
March 23	"Brava!! Brava!! Brava!!/Ray of Light"	Jaejoong	[12]
March 30	"Shitsuren, Arigatō"	AKB48	[13]
April 6	"Shiawase no Hogoshoku"	Nogizaka46	[14]
April 13	"Fallin' Flower"	Seventeen	[15]
April 20	"Movin' On"	Sandaime J Soul Brothers	[16]
April 27	"Ai o Shiru"	Last Idol	[17]
May 4	"3−2"	HKT48	[18]
May 11	"The Beyond Gunpla 40th Edition"	Luna Sea	[19]
May 18	"3−2"	HKT48	[20]
May 25	"Fly with Me"	Millennium Parade	[21]
June 1	"Starry Sky"	Passcode	[22]
June 8	"Mirai wa Onna no Tame ni Aru"	Walküre	[23]
June 15	"Top" (Japanese ver.)	Stray Kids	[24]
June 22	"Mazy Night"	King & Prince	[25]
June 29	"Kanzai Boya"	KinKi Kids	[26]
July 6	"Shōko"	Johnny's West	[27]
July 13	"Last Mermaid..."	Hey! Say! JUMP	[28]
July 20	"Fanfare"	Twice	[29]
July 27	"Nights Cold"	Tomohisa Yamashita	[30]
August 3	"Navigator"	SixTones	[31]
August 10	"Kite"	Arashi	[32]
August 17	"Run"	Sexy Zone	[33]
August 24	"Smile"	Twenty Twenty	[34]
August 31	"Re:Live"	Kanjani Eight	[35]
September 7	"Stargazer"	JO1	[36]
September 14	"Omoidaseru Koi wo Shiyō"	STU48	[37]
September 21	"Oh Yeah"	Boys and Men	[38]
September 28	"Endless Summer"	Kis-My-Ft2	[39]
October 5	"It's My Life/Pineapple"	V6	[40]
October 12	"Your Song"	Hey! Say! JUMP	[41]
October 19	"Kissin' My Lips/Stories"	Snow Man	[42]
October 26	"Homura"	LiSA	[43]
November 2			[44]
November 9			[45]
November 16	"Not Found"	Sexy Zone	[46]
November 23	"New Era"	SixTones	[47]
November 30	"Koi Nanka No Thank You!"	NMB48	[48]
December 7	"Seishun 'Subliminal'"	=Love	[49]
December 14	"Step and a Step"	NiziU	[50]
December 21	"Nobody's Fault"	Sakurazaka46	[51]
December 28	"I Promise"	King & Prince	[52]

See also

• List of Oricon number-one albums of 2020