The following is a list of Oricon number-one singles of 1993
| Issue date | Song | Artist(s) | Ref. |
|---|---|---|---|
| January 4 | "Sekaijū no Dare Yori Kitto" | Miho Nakayama and Wands | [1] |
| January 11 | |||
| January 18 | |||
| January 25 | "Motto Tsuyoku Dakishimeta nara" | Wands | |
| February 1 | |||
| February 8 | "Gajaimo" | Tunnels | |
| February 15 | "Dokoku" | Shizuka Kudo | |
| February 22 | "Osaekirenai kono Kimochi" | T-Bolan | |
| March 1 | "Makenai De" | Zard | |
| March 8 | "Toki no Tobira" | Wands | |
| March 15 | "Yah Yah Yah / Yume no Bannin" | Chage and Aska | |
| March 22 | |||
| March 29 | "Ai no mama ni Wagamama ni Boku wa Kimi dake o Kizutsukenai" | B'z | |
| April 5 | |||
| April 12 | |||
| April 19 | |||
| April 26 | "Ai wo Kataru yori Kuchizuke wo Kawasou" | Wands | |
| May 3 | |||
| May 10 | |||
| May 17 | |||
| May 24 | "Natsu Wo Machi Kire Nakute" | Tube | |
| May 31 | "Yureru Omoi" | Zard | |
| June 7 | |||
| June 14 | "Hadashi no megami" | B'z | |
| June 21 | |||
| June 28 | "Setsunasa o keseya shinai/Kizu darake o dakishimete" | T-Bolan | |
| July 5 | |||
| July 12 | "Datte natsu janai" | Tube | |
| July 19 | "Koi Seyo Otome" | Wands | |
| July 26 | |||
| August 2 | "Erotica Seven" | Southern All-Stars | |
| August 9 | "Manatsu no yo no yume" | Yumi Matsutoya | |
| August 16 | |||
| August 23 | "Erotica Seven" | Southern All-Stars | |
| August 30 | "Songs and Daughter" | Chage and Aska | |
| September 6 | |||
| September 13 | "No.1" | Noriyuki Makihara | |
| September 20 | "Go for it!/Ame no owaru basho" | Dreams Come True | |
| September 27 | |||
| October 4 | RUN | Tsuyoshi Nagabuchi | |
| October 11 | Ichizu na koi | TMN | |
| October 18 | Mayonaka no Dundee | Keisuke Kuwata | |
| October 25 | Kaze ni fukarete | Chisato Moritaka | |
| November 1 | Datte so janai!? | Lindberg | |
| November 8 | |||
| November 15 | Kitto wasurenai | Zard | |
| November 22 | True Love | Fumiya Fujii | |
| November 29 | |||
| December 6 | |||
| December 13 | |||
| December 20 | |||
| December 27 | Romance no kamisama | Komi Hirose |