List of Hot 100 number-one singles of 2010 (Japan)

This is a list of number one singles on the Billboard Japan Hot 100 chart in Japan in 2010.

Date	Song	Artist
January 4	"Fuyu Koi"	Kanjani Eight
January 18	"Fly Away"	Rake
January 25
February 1	"Gloria"	Yui
February 8	"Break Out!"	Tohoshinki
February 15	"Modorenai Ashita"	Aiko
February 22	"Love Yourself (Kimi ga Kirai na Kimi ga Suki)"	KAT-TUN
March 1	"Sakura no Shiori"	AKB48
March 8	"Hitomi no Screen"	Hey! Say! JUMP
March 15	"Troublemaker"	Arashi
March 22
March 29	"Sakura"	Monkey Majik
April 5	"Toki o Tomete"	Tohoshinki
April 12	"Sakura Girl"	NEWS
April 19	"Yūki 100%"	NYC
April 26	"Happy"	Bump of Chicken
May 3	"Mahō no Ryōri (Kimi Kara Kimi e)"
May 10	"Go! Go! Maniac"	Ho-kago Tea Time
May 17	"Arigatō"	Ikimono-gakari
May 24	"Going!"	KAT-TUN
May 31	"Monster"	Arashi
June 7	"Ponytail to Chouchou"	AKB48
June 14	"Rain"	Sid
June 21	"Victory"	Exile
June 28
July 5	"Okay"	Koshi Inaba
July 12	"Wonderful World!!"	Kanjani Eight
July 19	"To Be Free"	Arashi
July 26
August 2	"This Is Love"	SMAP
August 9	"One in a Million"	Tomohisa Yamashita
August 16	"This Is Love"	SMAP
August 23	"Hotaru"	Masaharu Fukuyama
August 30	"Heavy Rotation"	AKB48
September 6	"Life (Me no Mae no Mukō e)"	Kanjani Eight
September 13	"Wildflower"	Superfly
September 20	"Love Rainbow"	Arashi
September 27	"Motto Tsuyoku"	Exile
October 4
October 11	"Kimi ni Todoke"	Flumpool
October 18	"Dear Snow"	Arashi
October 25	"Uchūhikōshi e no Tegami"	Bump of Chicken
November 1	"Yoku Asobi Yoku Manabe"	NYC
November 8	"Beginner"	AKB48
November 15	"Fighting Man"	NEWS
November 22	"Hatenai Sora"	Arashi
November 29	"Change Ur World"	KAT-TUN
December 6	"Goodbye Happiness"	Hikaru Utada
December 13	"Family (Hitotsu ni Naru Koto)"	KinKi Kids
December 20	"Chance no Junban"	AKB48
December 27	"Arigatō (Sekai no Doko ni Ite mo)"	Hey! Say! JUMP