This is the list of the number-one singles of the Finnish Singles Chart in 1999.[1][2]
| Week | Artist | Title |
|---|---|---|
| 1 | Nightwish | "Sacrament of Wilderness" |
| 2 | Nylon Beat | "Viimeinen" |
| 3 | The Offspring | "Pretty Fly (For A White Guy)" |
| 4 | Nightwish | "Sacrament of Wilderness" |
| 5 | ||
| 6 | Don Huonot | "Tule sellaisena kuin olet" |
| 7 | ||
| 8 | Children of Bodom | "Downfall" |
| 9 | ||
| 10 | Aikakone | "Anna mun bailaa" |
| 11 | ||
| 12 | ||
| 13 | ||
| 14 | Nightwish | "Walking in the Air" |
| 15 | Apulanta | "Hallaa" |
| 16 | Britney Spears | "...Baby One More Time" |
| 17 | Apulanta | "Hallaa" |
| 18 | A-Tyyppi featuring Antero Mertaranta | "Ihanaa, Leijonat, ihanaa" |
| 19 | ||
| 20 | ||
| 21 | Mr. Oizo | "Flat Beat" |
| 22 | ||
| 23 | Aikakone | "Anna mun bailaa" |
| 24 | ||
| 25 | ||
| 26 | Madonna | "Beautiful Stranger" |
| 27 | Aikakone | "Anna mun bailaa" |
| 28 | Madonna | "Beautiful Stranger" |
| 29 | Jennifer Lopez | "If You Had My Love" |
| 30 | Lou Bega | "Mambo No. 5" |
| 31 | ||
| 32 | ||
| 33 | ||
| 34 | ||
| 35 | Eiffel 65 | "Blue (Da Ba Dee)" |
| 36 | ||
| 37 | ||
| 38 | ||
| 39 | ||
| 40 | ||
| 41 | ||
| 42 | Apulanta & Don Huonot | "Torremolinos 2000" |
| 43 | ||
| 44 | ||
| 45 | ||
| 46 | ||
| 47 | ||
| 48 | HIM | "Join Me in Death" |
| 49 | Apulanta | "Käännä se pois" |
| 50 | ||
| 51 | HIM | "Join Me in Death" |
| 52 |