List of Oricon number-one singles of 1985


The highest-selling singles in Japan are ranked in the Oricon Singles Chart, which is published by Oricon Style 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 1985.

Oricon Weekly Singles Chart

Issue dateSongArtistRef.
January 7""Kyōko Koizumi
January 14""Kyōko Koizumi
January 21""Kōji Kikkawa
January 28""Kōji Kikkawa
February 4""Kōji Kikkawa
February 11""Seiko Matsuda
February 18""Seiko Matsuda
February 25"Yoisho!" Masahiko Kondō
March 4""The Alfee
March 11""Momoko Kikuchi
March 18""Akina Nakamori
March 25""Akina Nakamori
April 1""The Checkers
April 8""The Checkers
April 15""The Checkers
April 22""Kyōko Koizumi
April 29""Kyōko Koizumi
May 6""Kōji Kikkawa
May 13""Akina Nakamori
May 20""Seiko Matsuda
May 27""Momoko Kikuchi
June 3""Momoko Kikuchi
June 10""Yumi Matsutoya, Kazumasa Oda,
June 17""Yumi Matsutoya, Kazumasa Oda,
June 24""Naoko Kawai
July 1""Akina Nakamori
July 8""Seiko Matsuda
July 15""The Checkers
July 22""The Checkers
July 29""The Checkers
August 5""Kyōko Koizumi
August 12""Anzen Chitai
August 19""Anzen Chitai
August 26""Toshihiko Tahara
September 2"Kanashimi ni Sayonara"Anzen Chitai
September 9"Kanashimi ni Sayonara"Anzen Chitai
September 16""Sonoko Kawai
September 23""Sonoko Kawai
September 30""The Checkers
October 7""Momoko Kikuchi
October 14""Momoko Kikuchi
October 21""Akina Nakamori
October 28""Akiko Kobayashi
November 4""Akiko Kobayashi
November 11""The Checkers
November 18"Koi ni Ochite: Fall in Love"Akiko Kobayashi
November 25"Koi ni Ochite: Fall in Love"Akiko Kobayashi
December 2""Kyōko Koizumi
December 9"Koi ni Ochite: Fall in Love"Akiko Kobayashi
December 16"Koi ni Ochite: Fall in Love"Akiko Kobayashi
December 23""Shonentai
December 30"Koi ni Ochite: Fall in Love"Akiko Kobayashi
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