class="wikitable"
!style="text-align: center;"|Issue Date
!style="text-align: center;"|Single
!style="text-align: center;"|Artist(s)
!style="text-align: center;"|Reference(s) |
January 14
|style="text-align: center;"|{{Nihongo|"Dangan Fighter"|弾丸ファイター|Dangan Faitā|Bullet Fighter}}
|style="text-align: center;"|SMAP
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/51007/full/|title=紅白歌唱曲が史上初のオリコン上位TOP3を独占 |publisher=Oricon|accessdate=April 20, 2009|date=January 8, 2008|language=ja}}] |
January 21
|style="text-align: center;"|"Mirage"
|style="text-align: center;"|AAA
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/51181/|title=This weeks ranking topics|publisher=Oricon|accessdate=April 20, 2009|date=January 15, 2008|language=ja}}] |
January 28
|style="text-align: center;"|"Purple Line"
|style="text-align: center;"|TVXQ
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/51355/|title=This weeks ranking topics|publisher=Oricon|accessdate=April 20, 2009|date=January 22, 2008|language=ja}}] |
February 4
|style="text-align: center;"|"Order Made"
|style="text-align: center;"|Radwimps
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/51541/full/|title=遂に本格ブレイク! 数々の強豪を抑えRADWIMPSが初のシングル1位|publisher=Oricon|accessdate=April 20, 2009|date=January 29, 2008|language=ja}}] |
February 11
|style="text-align: center;"|"Soba ni Iru ne"
|style="text-align: center;"|Thelma Aoyama feat. SoulJa
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/51725/full/|script-title=ja:青山テルマ、史上初のアンサーソングで1位獲得 |publisher=Oricon|accessdate=April 20, 2009|date=February 5, 2008|language=ja}}] |
February 18
|style="text-align: center;"|"Lips"
|style="text-align: center;"|KAT-TUN
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/51937/full/|title=KAT-TUN、KinKi以来9年ぶりの記録|work=Oricon|accessdate=December 1, 2009|date=February 12, 2008|language=ja}}] |
February 25
|style="text-align: center;"|{{Nihongo|"Anata ga Koko ni Itara"|あなたがここにいたら|If Only You Were Here}}
|style="text-align: center;"|Porno Graffitti
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/52118/full/|title=Oricon ranking as of 2/25: Porno and M-Flo in first place|publisher=Oricon|accessdate=April 20, 2009|date=February 19, 2008|language=ja}}] |
March 3
|style="text-align: center;"|"Step and Go"
|style="text-align: center;"|Arashi
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/52320/full/|script-title=ja:嵐、約8年ぶりの新曲初動30万枚突破!!|publisher=Oricon|accessdate=April 20, 2009|date=March 26, 2008|language=ja}}] |
March 10
|style="text-align: center;"|{{Nihongo|"Taiyō no Namida"|太陽のナミダ|The Sun's Tears}}
|style="text-align: center;"|NEWS
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/52538/full/|title=NEWS、遂に光GENJIに並ぶ デビューから8作連続オリコン1位|publisher=Oricon|accessdate=April 20, 2009|date=March 4, 2008|language=ja}}] |
March 17
|style="text-align: center;"|{{Nihongo|"Sono Mama/White Message"|そのまま/White Message|Just That Way/White Message}}
|style="text-align: center;"|SMAP
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/52737/full/|title=【オリコン】SMAP42作トップ10、史上初の主要4部門制覇|publisher=Oricon|accessdate=December 30, 2009|date=March 11, 2008|language=ja}}] |
March 24
|style="text-align: center;"|"Wahaha"
|style="text-align: center;"|Kanjani Eight
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/52959/full/|script-title=ja:【オリコン】関ジャニ∞、4作連続通算5作目のシングル1位 |publisher=Oricon|accessdate=April 20, 2009|date=March 18, 2008|language=ja}}] |
March 31
|style="text-align: center;"|"60s 70s 80s"
|style="text-align: center;"|Namie Amuro
|style="text-align: center;"| |
April 7
|style="text-align: center;"|{{Nihongo|"Ore ja Nakya, Kimi ja Nakya"|オレじゃなきゃ、キミじゃなきゃ}}
|style="text-align: center;"|20th Century
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/53321/full/|script-title=ja:【オリコン】7年半ぶりのシングルでトニセンが初の1位|publisher=Oricon|accessdate=April 20, 2009|date=April 1, 2008|language=ja}}] |
April 14
|style="text-align: center;"|"Drink It Down"
|style="text-align: center;"|L'Arc-en-Ciel
|style="text-align: center;"|[{{cite web|url=http://www.tokyograph.com/news/id-2951|title=Charts: Exile hangs on to #1|publisher=Tokyograph|accessdate=April 26, 2009|date=April 10, 2008}}] |
April 21
|style="text-align: center;"|"Mirrorcle World"
|style="text-align: center;"|Ayumi Hamasaki
|style="text-align: center;"| |
April 28
|style="text-align: center;"|"Burn (Fumetsu no Face)"
|style="text-align: center;"|B'z
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/53954/full/|title=B'zが19年連続1位!新たに通算TOP10数でも歴代1位に|publisher=Oricon|accessdate=April 20, 2009|date=April 22, 2008|language=ja}}] |
May 5
|style="text-align: center;"|"Beautiful You/Sennen Koi Uta"
|style="text-align: center;"|TVXQ
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/54161/full/|script-title=ja:東方神起、約24年ぶりに欧陽菲菲のアジア記録に並ぶ |publisher=Oricon|accessdate=April 20, 2009|date=April 29, 2008|language=ja}}] |
May 12
|style="text-align: center;"|"No More"
|style="text-align: center;"|Tsukasa Maizu
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/54338/full/|script-title=ja:堂本光一演じる"米寿司"の新曲が初登場1位 |publisher=Oricon|accessdate=April 20, 2009|date=May 6, 2008|language=ja}}] |
May 19
|style="text-align: center;"|"Summer Time"
|style="text-align: center;"|NEWS
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/54528/full/|title=NEWSが光GENJI越え!デビュー以来9作連続で1位 |publisher=Oricon|accessdate=April 20, 2009|date=May 13, 2008|language=ja}}] |
May 26
|style="text-align: center;"|"Don't U Ever Stop"
|style="text-align: center;"|KAT-TUN
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/54716/|title=KAT-TUN、7作連続初登場1位 今年No.1の初動売上を記録|publisher=Oricon|accessdate=April 20, 2009|date=May 20, 2008|language=ja}}] |
June 2
|style="text-align: center;"|"Dreams Come True"
|style="text-align: center;"|Hey! Say! JUMP
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/54908/full/|title=バレー女子北京行きを後押し!Hey!Say!JUMPが1位獲得|publisher=Oricon|accessdate=April 20, 2009|date=May 27, 2008|language=ja}}] |
June 9
|style="text-align: center;" rowspan="2"|"Kiseki"
|style="text-align: center;" rowspan="2"|Greeeen
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/55138/full/|title=GReeeeN、「愛唄」超えでデビュー以来初の1位! |publisher=Oricon|accessdate=April 20, 2009|date=June 3, 2008|language=ja}}] |
June 16
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/55331/full/|title=GReeeeN「キセキ」、08年シングル初の2週連続首位を獲得|publisher=Oricon|accessdate=April 20, 2009|date=June 10, 2008|language=ja}}] |
June 23
|style="text-align: center;"|"Verb"
|style="text-align: center;"|Glay
|style="text-align: center;"|[{{in lang|ja}} {{cite web|url=http://www.excite.co.jp/music/news/story/59252/|title=GLAY、結成20周年シングル1位獲得!|publisher=Excite|accessdate=April 20, 2009|date=June 19, 2008}}] |
June 30
|style="text-align: center;"|"Ai Ai Gasa"
|style="text-align: center;"|Tegomass
|style="text-align: center;"|[{{cite web|url=http://www.tokyograph.com/news/id-3442|title=Charts: B'z passes Matsutoya with 22nd number-one|publisher=Tokyograph|accessdate=April 26, 2009|date=June 25, 2008}}] |
July 7
|style="text-align: center;"|"One Love"
|style="text-align: center;"|Arashi
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/55937/full/|title=羞恥心、再び初登場2位 デビュー曲も再浮上で2作同時TOP10入り!|publisher=Oricon|accessdate=December 1, 2009|date=July 1, 2008|language=ja}}] |
July 14
|style="text-align: center;"|"Summer Song"
|style="text-align: center;"|Yui
|style="text-align: center;"|[{{cite web|url=http://contents.oricon.co.jp/news/rankmusic/56147/full/|title=Yui achieves her third first place single|publisher=Oricon|accessdate=April 20, 2009|date=July 8, 2008|language=ja}}] |
July 21
|style="text-align: center;"|"Love the World"
|style="text-align: center;"|Perfume
|style="text-align: center;"| |
July 28
|style="text-align: center;"|"Dōshite Kimi o Suki ni Natte Shimattandarō?
|style="text-align: center;"|TVXQ
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/56557/|script-title=ja:東方神起が欧陽菲菲を上回り外国人アーティスト歴代1位に! |publisher=Oricon|accessdate=April 20, 2009|date=July 22, 2008|language=ja}}] |
August 4
|style="text-align: center;"|"Your Seed/Bōken Rider"
|style="text-align: center;"|Hey! Say! JUMP
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/56765/full/|title=Hey!Say!JUMP、デビュー以来3作連続首位!|publisher=Oricon|accessdate=April 20, 2009|date=July 29, 2008|language=ja}}] |
August 11
|style="text-align: center;"|"Gift"
|style="text-align: center;"|Mr. Children
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/56983/full/|script-title=ja:ミスチルが15年連続(28作連続)の首位を獲得! |publisher=Oricon|accessdate=April 20, 2009|date=August 5, 2008|language=ja}}] |
August 18
|style="text-align: center;"|"I Am Your Singer"
|style="text-align: center;"|Southern All Stars
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/57182/full/|script-title=ja:サザンオールスターズ通算14作目の首位、記録ずくめの30周年記念シングル |publisher=Oricon|accessdate=April 20, 2009|date=August 12, 2008|language=ja}}] |
August 25
|style="text-align: center;"|{{Nihongo|"Kono Toki, Kitto Yume Ja Nai"|この瞬間、きっと夢じゃない|This Moment, I Know It's Not a Dream}}
|style="text-align: center;"|SMAP
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/57367/full/|title=SMAP、自身初の10作連続首位|publisher=Oricon|accessdate=April 20, 2009|date=August 19, 2008|language=ja}}] |
September 1
|style="text-align: center;"|"Truth/Kaze no Mukō e"
|style="text-align: center;"|Arashi
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/57578/full/|script-title=ja:嵐 最新2作で「初動」と「累積」売上今年最高のシングル2冠 |publisher=Oricon|accessdate=April 20, 2009|date=August 26, 2008|language=ja}}] |
September 8
|style="text-align: center;"|"Secret Code"
|style="text-align: center;"|KinKi Kids
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/57781/full/|title=KinKi Kids、ギネス記録を更新 |publisher=Oricon|accessdate=April 20, 2009|date=September 2, 2008|language=ja}}] |
September 15
|style="text-align: center;" rowspan="2"|"Hanabi"
|style="text-align: center;" rowspan="2"|Mr. Children
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/57995/full/|title=Mr.Children、29作連続首位!浜崎あゆみの記録まであと1作|publisher=Oricon|accessdate=April 20, 2009|date=September 9, 2008|language=ja}}] |
September 22
|style="text-align: center;"|[{{cite web|url=http://www.tokyograph.com/news/id-3799|title=Charts: Amuro finally beat, by Ayumi|publisher=Tokyograph|accessdate=August 3, 2010|date=September 17, 2008}}] |
September 29
|style="text-align: center;"|"Light In My Heart/Swing!"
|style="text-align: center;"|V6
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/58358/full/|title=V6、通算21作目のシングル1位 |publisher=Oricon|accessdate=April 20, 2009|date=September 23, 2008|language=ja}}] |
October 6
|style="text-align: center;"|"The Birthday: Ti Amo"
|style="text-align: center;"|Exile
|style="text-align: center;"|[{{cite web|url=http://www.tokyograph.com/news/id-3861|title=Charts: SMAP reaches 10 million in album sales|publisher=Tokyograph|accessdate=December 1, 2009|date=October 1, 2008}}] |
October 13
|style="text-align: center;"|"Happy Birthday
|style="text-align: center;"|NEWS
|style="text-align: center;"| |
October 20
|style="text-align: center;"|"Taboo"
|style="text-align: center;"|Kumi Koda
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/58962/full/|script-title=ja:倖田來未、1年3ヶ月ぶりのシングル首位獲得!|publisher=Oricon|accessdate=April 20, 2009|date=October 14, 2008|language=ja}}] |
October 27
|style="text-align: center;"|"Jumon (Mirotic)"
|style="text-align: center;"|TVXQ
|style="text-align: center;"| |
November 3
|style="text-align: center;"|"Mayonaka no Shadow Boy"
|style="text-align: center;"|Hey! Say! JUMP
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/59451/full/|script-title=ja:真夜中のシャドーボーイ|publisher=Oricon|accessdate=April 20, 2009|date=October 28, 2008|language=ja}}] |
November 10
|style="text-align: center;"|"Musekinin Hero"
|style="text-align: center;"|Kanjani Eight
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/59624/|script-title=ja:関ジャニ∞が5作連続1位 デビュー以来最高の滑り出し |publisher=Oricon|accessdate=April 20, 2009|date=November 4, 2008|language=ja}}] |
November 17
|style="text-align: center;"|"Beautiful Days"
|style="text-align: center;"|Arashi
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/59924/full/|script-title=ja:嵐、13作連続・通算20作目のシングル首位! |publisher=Oricon|accessdate=April 20, 2009|date=November 11, 2008|language=ja}}] |
November 24
|style="text-align: center;"|{{nihongo|"Tsuretette Tsuretette"|連れてって 連れてって|Take Me Take Me}}
|style="text-align: center;"|Dreams Come True
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/60182/full/|script-title=ja:ドリカム、約10年ぶりのシングル首位獲得 |publisher=Oricon|accessdate=April 20, 2009|date=November 18, 2008|language=ja}}] |
December 1
|style="text-align: center;"|"Hakanaku mo Towa no Kanashi"
|style="text-align: center;"|Uverworld
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/60412/|title=UVERworldがデビュー4年目で初の首位獲得|publisher=Oricon|accessdate=December 1, 2009|date=November 25, 2008|language=ja}}] |
December 8
|style="text-align: center;"|"Last Christmas"
|style="text-align: center;"|Exile
|style="text-align: center;"|[{{cite web|url=http://www.tokyograph.com/news/id-4123|title=Charts: EXILE, Mika Nakashima|publisher=Tokyograph|accessdate=April 26, 2009|date=December 3, 2008}}] |
December 15
|style="text-align: center;"|"White X'mas"
|style="text-align: center;"|KAT-TUN
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/60925/full/|title=KAT-TUN、デビューから8作連続首位! |publisher=Oricon|accessdate=April 20, 2009|date=December 9, 2008|language=ja}}] |
December 22
|style="text-align: center;"|{{nihongo|"Yowamushi Santa"|弱虫サンタ|Cowardly Santa}}
|style="text-align: center;"|Shuchishin
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/61171/full/|script-title=ja:羞恥心、活動休止直前シングルで初の1位獲得|work=Oricon|accessdate=December 1, 2009|date=December 16, 2008|language=ja}}] |
December 29
|style="text-align: center;"|"Days/Green
|style="text-align: center;"|Ayumi Hamasaki
|style="text-align: center;"|[{{cite web|url=http://www.oricon.co.jp/news/rankmusic/61450/|script-title=ja:浜崎あゆみ19作連続、通算31作目の首位 |publisher=Oricon|accessdate=April 20, 2009|date=December 23, 2008|language=ja}}] |