The following is a list of Oricon number-one singles of 2003.
Oricon Weekly Singles Chart
Issue dateSongArtist(s)Ref.January 6"Love Me All Over"J-FRIENDSJanuary 13"UNTITLED 4 BALLADS"Every Little ThingJanuary 20"Chijou no Hoshi"Miyuki NakajimaJanuary 27"Happy Life"175RFebruary 3"Kuki (STEM)"Ringo ShiinaFebruary 10"COLORS"Hikaru UtadaFebruary 17February 24"Tsuki no Shizuku"RUIMarch 3"Asu eno tobira"I WishMarch 10March 17"Sekai ni Hitotsu Dake no Hana"SMAPMarch 24March 31April 7"It's Showtime!"B'zApril 14"Sekai ni Hitotsu Dake no Hana"SMAPApril 21"Eien no BLOODS"KinKi KidsApril 28"Sora ni utaeba"175RMay 5"As for One Day"Morning MusumeMay 12"Sakura"Naotarō MoriyamaMay 19May 26June 2"Super Lover"w-indsJune 9"Darling"V6June 16"Hello"HydeJune 23"KI"Kōshi InabaJune 30"Kokoro ni yume o kimi ni wa ai"KinKi KidsJuly 7"Katte ni Sindbad"Southern All StarsJuly 14"Cosmic Rescue"V6July 21"&"Ayumi HamasukiJuly 28"Yasei no ENERGY"B'zAugust 4"Namida no umi de dakaretai"Southern All StarsAugust 11August 18"Ashita e Kaeru"ChemistryAugust 25"Hakka Candy"KinKi KidsSeptember 1"Forgiveness"Ayumi HamasukiSeptember 8"Niji / Himawari / Sore ga Subete sa"Masaharu FukuyamaSeptember 15September 22September 29October 6October 13"Ambitious Japan!"TokioOctober 20"Imitation Gold"Tak Matsumoto feat. Mai KurakiOctober 27"Beautiful Dreamer/Street Life"GlayNovember 3"Hokōsha yūsen"YuzuNovember 10"Long Road"w-indsNovember 17"No way to say"Ayumi HamasakiNovember 24"Yumemonogatari"Tackey & TsubasaDecember 1"Tenohira"Mr. ChildrenDecember 8December 15"Lack"Porno GraffitiDecember 22"Yorokobi no Uta"MONGOL800December 29
References