Nummer 1-hits in de Ultratop 40 in 1999
Van Wikipedia
Deze hits stonden in 1999 op nummer 1 in de Ultratop 40:
| Datum | Artiest | Titel |
| 2 januari | Cher | Believe |
| 9 januari | Cher | Believe |
| 16 januari | Cher | Believe |
| 23 januari | Manau | Mais qui est la belette |
| 30 januari | Manau | Mais qui est la belette |
| 6 februari | Manau | Mais qui est la belette |
| 13 februari | Manau | Mais qui est la belette |
| 20 februari | Larusso | Tu m'oublieras |
| 27 februari | Larusso | Tu m'oublieras |
| 6 maart | Larusso | Tu m'oublieras |
| 13 maart | Larusso | Tu m'oublieras |
| 20 maart | Larusso | Tu m'oublieras |
| 27 maart | Britney Spears | ...Baby one more time |
| 3 april | Britney Spears | ...Baby one more time |
| 10 april | Britney Spears | ...Baby one more time |
| 17 april | Britney Spears | ...Baby one more time |
| 24 april | Britney Spears | ...Baby one more time |
| 1 mei | Britney Spears | ...Baby one more time |
| 8 mei | Britney Spears | ...Baby one more time |
| 15 mei | Britney Spears | ...Baby one more time |
| 22 mei | Britney Spears | ...Baby one more time |
| 29 mei | Moos | Au nom de la rose |
| 5 juni | Moos | Au nom de la rose |
| 12 juni | Moos | Au nom de la rose |
| 19 juni | Moos | Au nom de la rose |
| 26 juni | Moos | Au nom de la rose |
| 3 juli | Moos | Au nom de la rose |
| 10 juli | Moos | Au nom de la rose |
| 17 juli | Moos | Au nom de la rose |
| 24 juli | Lââm | Jamais loin de toi |
| 31 juli | Lââm | Jamais loin de toi |
| 7 augustus | Lââm | Jamais loin de toi |
| 14 augustus | Lââm | Jamais loin de toi |
| 21 augustus | Lou Bega | Mambo no. 5 (A little bit of...) |
| 28 augustus | Lou Bega | Mambo no. 5 (A little bit of...) |
| 4 september | Lou Bega | Mambo no. 5 (A little bit of...) |
| 11 september | Lou Bega | Mambo no. 5 (A little bit of...) |
| 18 september | Lou Bega | Mambo no. 5 (A little bit of...) |
| 25 september | Lou Bega | Mambo no. 5 (A little bit of...) |
| 2 oktober | Lou Bega | Mambo no. 5 (A little bit of...) |
| 9 oktober | Lou Bega | Mambo no. 5 (A little bit of...) |
| 16 oktober | Lou Bega | Mambo no. 5 (A little bit of...) |
| 23 oktober | Britney Spears | (You drive me) Crazy |
| 30 oktober | Britney Spears | (You drive me) Crazy |
| 6 november | R. Kelly | If I could turn back the hands of time |
| 13 november | R. Kelly | If I could turn back the hands of time |
| 20 november | R. Kelly | If I could turn back the hands of time |
| 27 november | R. Kelly | If I could turn back the hands of time |
| 4 december | R. Kelly | If I could turn back the hands of time |
| 11 december | R. Kelly | If I could turn back the hands of time |
| 18 december | R. Kelly | If I could turn back the hands of time |
| 25 december | Tina Arena | Aller plus haut |
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Lijst van nummer 1-hits in de Ultratop 40 (Wallonië) |
|
1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 |
| Nummer 1-hits in 1999 in: |
 Nederland  Vlaanderen  Wallonië  Verenigd Koninkrijk  Verenigde Staten |
