The following is a list of Oricon number-one singles of 1998.
| Issue date | Song | Artist(s) | Ref. |
|---|---|---|---|
| January 5 | "Aisareru yori Aishitai" | KinKi Kids | [1] |
| January 12 | " Can You Celebrate? (Wedding Mix)" | Namie Amuro | |
| January 19 | " Face the Change" | Every Little Thing | |
| January 26 | "Yozora no Mukō" | SMAP | |
| February 2 | "Ashita ga Kikoeru/Children's Holiday" | J-Friends | |
| February 9 | " Winter fall" | L'Arc-en-Ciel | |
| February 16 | "Kyūkon" | The Yellow Monkey | |
| February 23 | "Nishi e higashi e" | Mr. Children | |
| March 2 | "My Graduation" | Speed | |
| March 9 | |||
| March 16 | |||
| March 23 | "Be Yourself!" | V6 | |
| March 30 | "Nagai Aida" | Kiroro | |
| April 6 | " Dive to Blue" | L'Arc-en-Ciel | |
| April 13 | |||
| April 20 | " Samayoeru aoi dangan" | B'z | |
| April 27 | " Storm" | Luna Sea | |
| May 4 | "Jet Coaster Romance" | KinKi Kids | |
| May 11 | " Yuuwaku" | Glay | |
| May 18 | |||
| May 25 | " Pink Spider" | hide with Spread Beaver | |
| June 1 | |||
| June 8 | " Ever free" | hide with Spread Beaver | |
| June 15 | " Shine" | Luna Sea | |
| June 22 | " There will be love there" | The Brilliant Green | |
| June 29 | " Forever Yours" | Every Little Thing | |
| July 6 | " Hot Limit" | TMRevolution | |
| July 13 | "Alive" | Speed | |
| July 20 | " Home" | B'z | |
| July 27 | " Honey" | L'Arc-en-Ciel | |
| August 3 | "Power" | Pocket Biscuits | |
| August 10 | "Zenbu Dakishimete" | KinKi Kids | |
| August 17 | |||
| August 24 | |||
| August 31 | |||
| September 7 | " Tsumetai hana" | The Brilliant Green | |
| September 14 | "Wanna be a dreammaker" | Globe | |
| September 21 | " Daite Hold on Me!" | Morning Museume | |
| September 28 | " Unmei no roulette mawashite" | Zard | |
| October 5 | "Sa Yo Na Ra" | Globe | |
| October 12 | "Sweet Heart" | Globe | |
| October 19 | " Snow Drop" | L'Arc-en-Ciel | |
| October 26 | " Forbidden Lover" | L'Arc-en-Ciel | |
| November 2 | "Owari naki tabi" | Mr. Children | |
| November 9 | "All My True Love" | Speed | |
| November 16 | |||
| November 23 | "Over" | V6 | |
| November 30 | "Camouflage" | Mariya Takeuchi | |
| December 7 | "Be with You" | Glay | |
| December 14 | |||
| December 21 | "Happy Happy Greetings" | KinKi Kids | |
| December 28 | "Toku made" | Kōshi Inaba |
-
^
"Archived copy". Archived from
the original on 2008-12-26. Retrieved 2008-10-13.
{{ cite web}}: CS1 maint: archived copy as title ( link)
The following is a list of Oricon number-one singles of 1998.
| Issue date | Song | Artist(s) | Ref. |
|---|---|---|---|
| January 5 | "Aisareru yori Aishitai" | KinKi Kids | [1] |
| January 12 | " Can You Celebrate? (Wedding Mix)" | Namie Amuro | |
| January 19 | " Face the Change" | Every Little Thing | |
| January 26 | "Yozora no Mukō" | SMAP | |
| February 2 | "Ashita ga Kikoeru/Children's Holiday" | J-Friends | |
| February 9 | " Winter fall" | L'Arc-en-Ciel | |
| February 16 | "Kyūkon" | The Yellow Monkey | |
| February 23 | "Nishi e higashi e" | Mr. Children | |
| March 2 | "My Graduation" | Speed | |
| March 9 | |||
| March 16 | |||
| March 23 | "Be Yourself!" | V6 | |
| March 30 | "Nagai Aida" | Kiroro | |
| April 6 | " Dive to Blue" | L'Arc-en-Ciel | |
| April 13 | |||
| April 20 | " Samayoeru aoi dangan" | B'z | |
| April 27 | " Storm" | Luna Sea | |
| May 4 | "Jet Coaster Romance" | KinKi Kids | |
| May 11 | " Yuuwaku" | Glay | |
| May 18 | |||
| May 25 | " Pink Spider" | hide with Spread Beaver | |
| June 1 | |||
| June 8 | " Ever free" | hide with Spread Beaver | |
| June 15 | " Shine" | Luna Sea | |
| June 22 | " There will be love there" | The Brilliant Green | |
| June 29 | " Forever Yours" | Every Little Thing | |
| July 6 | " Hot Limit" | TMRevolution | |
| July 13 | "Alive" | Speed | |
| July 20 | " Home" | B'z | |
| July 27 | " Honey" | L'Arc-en-Ciel | |
| August 3 | "Power" | Pocket Biscuits | |
| August 10 | "Zenbu Dakishimete" | KinKi Kids | |
| August 17 | |||
| August 24 | |||
| August 31 | |||
| September 7 | " Tsumetai hana" | The Brilliant Green | |
| September 14 | "Wanna be a dreammaker" | Globe | |
| September 21 | " Daite Hold on Me!" | Morning Museume | |
| September 28 | " Unmei no roulette mawashite" | Zard | |
| October 5 | "Sa Yo Na Ra" | Globe | |
| October 12 | "Sweet Heart" | Globe | |
| October 19 | " Snow Drop" | L'Arc-en-Ciel | |
| October 26 | " Forbidden Lover" | L'Arc-en-Ciel | |
| November 2 | "Owari naki tabi" | Mr. Children | |
| November 9 | "All My True Love" | Speed | |
| November 16 | |||
| November 23 | "Over" | V6 | |
| November 30 | "Camouflage" | Mariya Takeuchi | |
| December 7 | "Be with You" | Glay | |
| December 14 | |||
| December 21 | "Happy Happy Greetings" | KinKi Kids | |
| December 28 | "Toku made" | Kōshi Inaba |
-
^
"Archived copy". Archived from
the original on 2008-12-26. Retrieved 2008-10-13.
{{ cite web}}: CS1 maint: archived copy as title ( link)