List of Oricon number-one singles of 1999

The following is a list of Oricon number-one singles of 1999.

Oricon Weekly Singles Chart

Issue date	Song	Artist(s)	Ref.
January 4	"Toku made"	Kōshi Inaba
January 11	"I Have Never Seen"	Namie Amuro
January 18	"Last Chance "	Something Else
January 25	"Hikari no sasu ho e"	Mr. Children
February 1	"Asa ga mata kuru"	Dreams Come True
February 8	"Sono Speed de"	The Brilliant Green
February 15	"Winter, Again"	Glay
February 22
March 1	"Movin' On Without You"	Hikaru Utada
March 8	"Yamenai de, Pure"	KinKi Kids
March 15	"Dango 3 Kyodai"	Kentarō Hayami & Ayumi Shigemori
March 22
March 29
April 5	"My First Love"	Takako Uehara
April 12	"Believe Your Smile"	V6
April 19	"Mind Games"	Zard
April 26	"Love (Destiny)"	Ayumi Hamasaki
May 3	"Heaven's Drive"	L'Arc-en-Ciel
May 10
May 17	"Grateful Days"	Dragon Ash
May 24	"I'll Be"	Mr. Children
May 31	"Survival"	Glay
June 7	"Flower"	KinKi Kids
June 14	"Pieces"	L'Arc-en-Ciel
June 21	"Giri giri chop"	B'z
June 28	"Energy Flow (Ura BTTB)"	Ryūichi Sakamoto
July 5
July 12
July 19
July 26	"Be Together"	Amy Suzuki
August 2	"Boys & Girls"	Ayumi Hamasaki
August 9
August 16
August 23	"A"	Ayumi Hamasaki
August 30
September 6	"Koko dewa nai, dokoka e"	Glay
September 13	"A"	Ayumi Hamasaki
September 20	"Love Machine"	Morning Musume
September 27
October 4
October 11	"Our Days"	Amy Suzuki
October 18	"Ame no Melody"	KinKi Kids
October 25
November 1	"Subete e"	19
November 8	"Love Flies"	L'Arc-en-Ciel
November 15	"A・ra・shi"	Arashi
November 22	"Addicted to You"	Hikaru Utada
November 29
December 6	"Chocotto Love"	Pettite Moni
December 13
December 20	"kanariya"	Ayumi Hamasaki
December 27	"Heaven"	Masaharu Fukuyama