User:FraDany/List of My number-one singles of 1999
| Issue Date | Song | Artist(s) |
|---|---|---|
| January 7 | "Believe" † | Cher |
| January 14 | ||
| January 21 | ||
| January 28 | ||
| February 4 | ||
| February 11 | ||
| February 18 | ||
| February 25 | ||
| March 4 | ||
| March 11 | ||
| March 18 | "..Baby One More Time" | Britney Spears |
| March 25 | ||
| April 1 | ||
| April 8 | ||
| April 15 | "Strong Enough" | Cher |
| April 22 | ||
| April 29 | ||
| May 6 | "Snow on the Sahara" | Anggun |
| May 13 | ||
| May 20 | "I Want It That Way" | Backstreet Boys |
| May 27 | ||
| June 3 | ||
| June 10 | "Mambo No.5" ‡ | Lou Bega |
| June 17 | ||
| June 24 | ||
| July 1 | ||
| July 8 | ||
| July 15 | ||
| July 22 | "My Love Is Your Love" | Whitney Houston |
| July 29 | ||
| August 5 | ||
| August 12 | ||
| August 19 | ||
| August 26 | "That Don't Impress Me Much" | Shania Twain |
| September 2 | ||
| September 9 | ||
| September 16 | ||
| September 23 | ||
| September 30 | "Genie in a Bottle" | Christina Aguilera |
| October 7 | ||
| October 14 | ||
| October 21 | ||
| October 28 | ||
| November 4 | "Heartbreaker" | Mariah Carey featuring Jay-Z |
| November 11 | ||
| November 18 | "Dov'è l'amore" | Cher |
| November 25 | ||
| December 2 | "Waiting for Tonight" | Jennifer Lopez |
| December 9 | ||
| December 16 | ||
| December 23 | "That's the Way It Is" | Céline Dion |
| December 30 |