List of Oricon number-one singles of 1977
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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 1977.
Oricon Weekly Singles Chart
| Issue date | Song | Artist(s) | Ref. |
|---|---|---|---|
| January 3 | "Kita no Yadokara" (ja) | Harumi Miyako | [1] |
| January 10 | |||
| January 17 | "Seishun Jidai" (ja) | Koichi Morita & Top Gallants | |
| January 24 | |||
| January 31 | |||
| February 7 | |||
| February 14 | "S.O.S." (ja) | Pink Lady | |
| February 21 | "Shitsuren Restaurant" (ja) | Kentaro Shimizu | |
| February 28 | |||
| March 7 | |||
| March 14 | |||
| March 21 | |||
| March 28 | "Carmen '77" (ja) | Pink Lady | |
| April 4 | |||
| April 11 | |||
| April 18 | |||
| April 25 | |||
| May 2 | "Kaeranai / Koibitoyo" (ja) | Kentaro Shimizu | |
| May 9 | |||
| May 16 | "Yumesaki Annainin" (ja) | Momoe Yamaguchi | |
| May 23 | "Amayadori" (ja) | Masashi Sada | |
| May 30 | |||
| June 6 | |||
| June 13 | |||
| June 20 | "Katte ni Shiyagare" (ja) | Kenji Sawada | |
| June 27 | "Nagisa no Sindbad" (ja) | Pink Lady | |
| July 4 | |||
| July 11 | |||
| July 18 | "Katte ni Shiyagare" | Kenji Sawada | |
| July 25 | |||
| August 1 | |||
| August 8 | |||
| August 15 | "Nagisa no Sindbad" | Pink Lady | |
| August 22 | |||
| August 29 | |||
| September 5 | |||
| September 12 | |||
| September 19 | "Wanted (Shimei Tehai)" (ja) | ||
| September 26 | |||
| October 3 | |||
| October 10 | |||
| October 17 | |||
| October 24 | |||
| October 31 | |||
| November 7 | |||
| November 14 | |||
| November 21 | |||
| November 28 | |||
| December 5 | |||
| December 12 | "Wakareuta" (ja) | Miyuki Nakajima | |
| December 19 | "UFO" (ja) | Pink Lady | |
| December 26 |
