These are the Billboard Hot Dance/Disco Club Play and Maxi-Singles Sales number-one hits of 1999.
{| class="wikitable" style="text-align: center;"
!Issue date
!Club Play Song
!Artist
!Maxi-Singles Sales
!Artist
!Reference(s)
|-
|January 2
|rowspan="2"|"Believe"
|rowspan="2"|Cher
|rowspan="7"|"Believe"
|rowspan="7"|Cher
|
|-
|January 9
|
|-
|January 16
|"Up and Down"
|Vengaboys
|
|-
|January 23
|rowspan="3"|"It's Not Right but It's Okay"
|rowspan="3"|Whitney Houston
|
|-
|January 30
|
|-
|February 6
|
|-
|February 13
|rowspan="2"|"I'm Beautiful"
|rowspan="2"|Bette Midler
|
|-
|February 20
|"I'm Beautiful"
|Bette Midler
|
|-
|February 27
|"Skin"
|Charlotte
|rowspan="8"|"Believe"
|rowspan="8"|Cher
|
|-
|March 6
|"(You Got Me) Burnin' Up"
|Cevin Fisher featuring Loleatta Holloway
|
|-
|March 13
|rowspan="2"|"Nothing Really Matters"
|rowspan="2"|Madonna
|
|-
|March 20
|
|-
|March 27
|"Jackie's Strength"
|Tori Amos
|
|-
|April 3
|"Heartbreak Hotel"
|Whitney Houston featuring Faith Evans and Kelly Price
|
|-
|April 10
|"I Still Believe"
|Mariah Carey
|
|-
|April 17
|"Baby Wants to Ride"
|Hani
|
|-
|April 24
|"Body"
|Funky Green Dogs
|"Blue Monday"
|Orgy
|
|-
|May 1
|"Strong Enough"
|Cher
|"Believe"
|Cher
|
|-
|May 8
|rowspan="2"|"It's Over Now"
|rowspan="2"|Deborah Cox
|rowspan="7"|"Livin' La Vida Loca"
|rowspan="7"|Ricky Martin
|
|-
|May 15
|
|-
|May 22
|"Unspeakable Joy"
|Kim English
|
|-
|May 29
|"Got the Groove"
|SM-Trax
|
|-
|June 5
|"Sexual (Li Da Di)"
|Amber
|
|-
|June 12
|rowspan="3"|"Big Love"
|rowspan="3"|Pete Heller
|
|-
|June 19
|
|-
|June 26
|rowspan="6"|"If You Had My Love"
|rowspan="6"|Jennifer Lopez
|
|-
|July 3
|rowspan="2"|"Sing It Back"
|rowspan="2"|Moloko
|
|-
|July 10
|
|-
|July 17
|"What You Need"
| Powerhouse featuring Duane Harden
|
|-
|July 24
|rowspan="2"|"Beautiful Stranger"
|rowspan="2"|Madonna
|
|-
|July 31
|
|-
|August 7
|"I Will Go with You (Con te partirò)"
|Donna Summer
|"I Will Go with You (Con te partirò)"
|Donna Summer
|
|-
|August 14
|"Red Alert"
|Basement Jaxx
|rowspan="5"|"Sexual (Li Da Di)"
|rowspan="5"|Amber
|
|-
|August 21
|"Bailamos"
|Enrique Iglesias
|
|-
|August 28
|rowspan="2"|"My Love Is Your Love"
|rowspan="2"|Whitney Houston
|
|-
|September 4
|
|-
|September 11
|"Canned Heat"
|Jamiroquai
|
|-
|September 18
|"Five Fathoms (Love More)"
|Everything but the Girl
|rowspan="2"|"My Love Is Your Love"
|rowspan="2"|Whitney Houston
|
|-
|September 25
|"Walking"
|Pocket Size
|
|-
|October 2
|"All or Nothing"
|Cher
|"I Need To Know"
|Marc Anthony
|
|-
|October 9
|rowspan="3"|"Situation '99"
|rowspan="3"|Yazoo
|rowspan="8"|"Heartbreaker"
|rowspan="8"|Mariah Carey Featuring Jay-Z
|
|-
|October 16
|
|-
|October 23
|
|-
|October 30
|"Waiting for Tonight"
|Jennifer Lopez
|
|-
|November 6
|"That's the Way Love Is"
|Byron Stingily
|
|-
|November 13
|"Love Is the Healer"
|Donna Summer
|
|-
|November 20
|rowspan="2"|"Sun Is Shining"
|rowspan="2"|Bob Marley vs. Funkstar De Luxe
|
|-
|November 27
|
|-
|December 4
|"New York City Boy"
|Pet Shop Boys
|rowspan="4"|"Sexual (Li Da Di)"
|rowspan="4"|Amber
|
|-
|December 11
|"Rendez-Vu"
|Basement Jaxx
|
|-
|December 18
|"Get Get Down"
|Paul Johnson
|
|-
|December 25
|"17 Again"
|Eurythmics
|
|-
|}
See also
- 1999 in music
- List of number-one dance hits (United States)
- List of artists who reached number one on the U.S. Dance chart