List of Oricon number-one singles of 1989

The highest-selling singles in Japan are ranked in the Oricon Singles Chart, which in 1989 was published in what was then called Oricon Weekly magazine. The data are compiled by Oricon based on each singles' physical sales. This list includes the singles that reached the number one place on that chart in 1989.

Oricon Weekly Singles Chart

Issue dateSongArtist(s)Ref.January 2""Tsuyoshi NagabuchiJanuary 9January 16"Aki"OtokogumiJanuary 23"Koi Hitoyo"Shizuka KudoJanuary 30February 6"True Love"Yui AsakaFebruary 13"Ai ga Tomaranai (Turn It into Love)"WinkFebruary 20""Tsuyoshi NagabuchiFebruary 27March 6"Rosécolor"Miho NakayamaMarch 13"Time Zone"OtokogumiMarch 20""Hikaru GenjiMarch 27"Namida wo Misenai de (Boys Don't Cry)"WinkApril 3April 10April 17"Be My Baby"ComplexApril 24May 1""Toshihiko TaharaMay 8"Liar"Akina NakamoriMay 15"Arashi no Sugao"Shizuka KudoMay 22May 29June 5"Return to Myself (Shinai, Shinai, Natsu.)"Mari HamadaJune 12"Diamonds"Princess PrincessJune 19"Sayonara Baby"Southern All StarsJune 26"Diamonds"Princess PrincessJuly 3""ShonentaiJuly 10"Sekai de Ichiban Atsui Natsu"Princess PrincessJuly 17"Samishii Nettaigyo"WinkJuly 24July 31""Hikaru GenjiAugust 7""Kyosuke HimuroAugust 14""OtokogumiAugust 21""Hikaru GenjiAugust 28September 4September 11September 18"Kōsa ni Fukarete"Shizuka KudoSeptember 25October 2October 9October 16October 23October 30""Misato WatanabeNovember 6""Tetsuya KomuroNovember 13"One Night in Heaven (Mayonaka no Angel)"WinkNovember 20November 27"Gravity of Love"Tetsuya KomuroDecember 4""Jun Sky Walker(s)December 11""Yoko MinaminoDecember 18""Tsuyoshi NagabuchiDecember 25"Christmas Eve"Tatsuro Yamashita

List of Oricon number-one singles of 1989

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