The following is a list of number-one singles on the Billboard Japan Hot 100 chart in 2017. Koi successfully reached Japan's Billboard Year-End Hot 100 singles of 2017, by reaching number-one for 11 non-consecutive weeks.

Chart history

Issue dateSongArtist(s)Ref.January 2"Koi"Gen HoshinoJanuary 9January 16January 23January 30February 6"Nagurigaki Beat"Kanjani EightFebruary 13"Koi"Gen HoshinoFebruary 20"Emma"NEWSFebruary 27"Bagutte Iijan"HKT48March 13"Tonight"Kis-My-Ft2March 20"Happy"Sandaime J Soul Brothers from Exile TribeMarch 27"Shoot Sign"AKB48April 3"Influencer"Nogizaka46April 10"Rock tha Town"Sexy ZoneApril 17"Fukyōwaon"Keyakizaka46April 24"Seishun Dokei"NGT48May 1"I'll Be There"ArashiMay 8"Chō Nebagiba Dance"Bullet TrainMay 15"Colors"V6May 22"Blood Sweat & Tears"BTSMay 29"Senaka Goshi no Chance"Kame to YamaPJune 5"My Swagger"Got7June 12"Negaigoto no Mochigusare"AKB48June 19"Pick It Up"Kis-My-Ft2June 26"Seimei"B'zJuly 3"Peace Sign"Kenshi YonezuJuly 10"Tsunagu"ArashiJuly 17"Precious Girl"Hey! Say! JUMPJuly 24"The Red Light"KinKi KidsJuly 31"Igai ni Mango"SKE48August 7"Himawari"Mr. ChildrenAugust 14"Kiss wa Matsu Shika Nai no Deshō ka?"HKT48August 21"Nigemizu"Nogizaka46August 28"Family Song"Gen HoshinoSeptember 4"Uchiage Hanabi"Daoko with Kenshi YonezuSeptember 11"#sukinanda"AKB48September 18"Kiseki no Hito"Kanjani EightSeptember 25"Seiiki"Masaharu FukuyamaOctober 2"Uchiage Hanabi"Daoko with Kenshi YonezuOctober 9"Shōri no Gaika"Tokendanshi Formation of MihotoseOctober 16"Jama Shinaide Here We Go!"Morning Musume '17October 23"Itsuka Dekiru Kara Kyou Dekiru"Nogizaka46October 30"One More Time"TwiceNovember 6"Kaze ni Fukarete mo"Keyakizaka46November 13November 27"Oto Seyo"Kanjani EightDecember 4"11 Gatsu no Anklet"AKB48December 11"Akai Kajitsu"Kis-My-Ft2December 18"Mic Drop"BTSDecember 25"J.S.B. Happiness"Sandaime J Soul Brothers from Exile Tribe

References