This is the complete list of (physical and digital) number-one singles sold in Finland in 2015 according to the Official Finnish Charts. The list on the left side of the box (Suomen virallinen singlelista, "the Official Finnish Singles Chart") represents physical and digital track sales as well as music streaming, the one in the middle (Suomen virallinen latauslista, "the Official Finnish Download Chart") represents sales of digital tracks and the one on the right side (Suomen virallinen radiosoittolista, "the Official Finnish Airplay Chart") represents airplay.
| Official Finnish Singles Chart | Official Finnish Download Chart | Official Finnish Airplay Chart | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Issue date | Song | Artist(s) | Reference(s) | Issue date | Song | Artist(s) | Reference(s) | Issue date | Song | Artist(s) | Reference(s) | |||
| Week 1 | "Macho Fantastico" | Spekti (featuring Tasis) | Week 1 | "Blank Space" | Taylor Swift | Week 1 | "Yksin" | Jonne Aaron | ||||||
| Week 2 | "Outside" | Calvin Harris (featuring Ellie Goulding) | Week 2 | "Who the Fuck Is Alice" | Max and the Ducks | Week 2 | "Minä sinua vaan" | Jenni Vartiainen | < | -- IFPI incorrectly repeats the chart from week 52/2014, Radio Nova's chart site used as source instead --> | ||||
| Week 3 | Week 3 | "Eteen ja ylös" | Elastinen | Week 3 | ||||||||||
| Week 4 | "Samsara 2015" | Martin Tungevaag (featuring Emila) | Week 4 | Week 4 | ||||||||||
| Week 5 | Week 5 | Week 5 | ||||||||||||
| Week 6 | Week 6 | Week 6 | "Copacabana ja Ipanema" | Juha Tapio | ||||||||||
| Week 7 | Week 7 | Week 7 | ||||||||||||
| Week 8 | Week 8 | "Élan" | Nightwish | Week 8 | "Kiitos ei ole kirosana" | Haloo Helsinki! | ||||||||
| Week 9 | "Love Me like You Do" | Ellie Goulding | Week 9 | "Peto on irti" | Antti Tuisku | Week 9 | ||||||||
| Week 10 | Week 10 | "2080-luvulla" | Sanni | Week 10 | "2080-luvulla" | Sanni | ||||||||
| Week 11 | Week 11 | Week 11 | ||||||||||||
| Week 12 | Week 12 | "Élan" | Nightwish | Week 12 | ||||||||||
| Week 13 | "Lean On" | Major Lazer & DJ Snake (featuring MØ) | Week 13 | "Super" | Elastinen | Week 13 | ||||||||
| "Beautiful Alien" | Darude (featuring AI AM) | |||||||||||||
| Week 14 | Week 14 | "Bitch Better Have My Money" | Rihanna | Week 14 | ||||||||||
| Week 15 | Week 15 | "Are You with Me" | Week 15 | |||||||||||
| "2080-luvulla" | Sanni | |||||||||||||
| Week 16 | "See You Again" | Wiz Khalifa (featuring Charlie Puth) | Week 16 | "Are You with Me" | Lost Frequencies | Week 16 | ||||||||
| Week 17 | Week 17 | "Kipinän hetki" | Robin (featuring Elastinen) | Week 17 | ||||||||||
| Week 18 | Week 18 | Week 18 | ||||||||||||
| Week 19 | "Lean On" | Major Lazer & DJ Snake (featuring MØ) | Week 19 | Week 19 | ||||||||||
| Week 20 | "Pämppää" | Teflon Brothers (featuring Sahamies) | Week 20 | Week 20 | ||||||||||
| Week 21 | Week 21 | "Vauvoja" | Kasmir (featuring Saara) | Week 21 | "Stole the Show" | Kygo (featuring Parson James) | ||||||||
| Week 22 | Week 22 | "Heroes" | Måns Zelmerlöw | Week 22 | "2080-luvulla" | Sanni | ||||||||
| Week 23 | Week 23 | Week 23 | "Stole the Show" | Kygo (featuring Parson James) | ||||||||||
| Week 24 | Week 24 | "Kahvimaito" | Arttu Wiskari | Week 24 | "Vauvoja" | Kasmir (featuring Saara) | ||||||||
| Week 25 | Week 25 | "Are You with Me" | Lost Frequencies | Week 25 | ||||||||||
| Week 26 | Week 26 | "Ghost Town" | Adam Lambert | Week 26 | ||||||||||
| Week 27 | Week 27 | Week 27 | ||||||||||||
| Week 28 | Week 28 | "Madafakin darra" | Roope Salminen & Koirat | Week 28 | < | -- Chart not published on IFPI site, Radio Nova's chart site used as source instead --> | ||||||||
| Week 29 | "Madafakin darra" | Roope Salminen & Koirat | Week 29 | "Tarkenee" | JVG | Week 29 | ||||||||
| Week 30 | "Tarkenee" | JVG | Week 30 | Week 30 | "This Summer's Gonna Hurt" | Maroon 5 | ||||||||
| Week 31 | Week 31 | "Madafakin darra" | Roope Salminen & Koirat | Week 31 | "Kuussa tuulee" | Haloo Helsinki | ||||||||
| Week 32 | Week 32 | "Drag Me Down" | One Direction | Week 32 | "Pulp Fiction" | |||||||||
| Week 33 | Week 33 | "Madafakin darra" | Roope Salminen & Koirat | Week 33 | "Ihana" | Chisu | ||||||||
| Week 34 | Week 34 | Week 34 | "Sinun vuorosi loistaa" | Juha Tapio | ||||||||||
| Week 35 | "Sä huudat" | Cheek | Week 35 | "Sä huudat" | Cheek | Week 35 | "Madafakin darra" | Roope Salminen & Koirat | ||||||
| Week 36 | Week 36 | "What Do You Mean?" | Justin Bieber | Week 36 | "Ihana" | Chisu | ||||||||
| Week 37 | "What Do You Mean?" | Justin Bieber | Week 37 | "Wild" | Troye Sivan | Week 37 | "Madafakin darra" | Roope Salminen & Koirat | ||||||
| Week 38 | Week 38 | "Takajeejee" | JVG (featuring Evelina) | Week 38 | "Ihana" | Chisu | ||||||||
| Week 39 | "Sata salamaa" | Antti Tuisku | Week 39 | "Sata salamaa" | Antti Tuisku | Week 39 | "Sinun vuorosi loistaa" | Juha Tapio | ||||||
| Week 40 | Week 40 | Week 40 | ||||||||||||
| Week 41 | Week 41 | Week 41 | ||||||||||||
| Week 42 | "Värifilmi" | Nikke Ankara (featuring Aki Tykki) | Week 42 | Week 42 | ||||||||||
| Week 43 | "Sillat" | Cheek (featuring Ilta) | Week 43 | "Perfect" | One Direction | Week 43 | "Valot pimeyksien reunoilla" | Apulanta | ||||||
| Week 44 | Week 44 | "Hello" | Adele | Week 44 | ||||||||||
| Week 45 | "Hello" | Adele | Week 45 | Week 45 | ||||||||||
| Week 46 | "Lähtisitkö" | VilleGalle (featuring Sanni) | Week 46 | Week 46 | ||||||||||
| Week 47 | Week 47 | Week 47 | ||||||||||||
| Week 48 | "Hello" | Adele | Week 48 | Week 48 | ||||||||||
| Week 49 | Week 49 | Week 49 | "Hello" | Adele | ||||||||||
| Week 50 | "Russian Roulette" | Tungevaag & Raaban X Charlie Who? | Week 50 | Week 50 | ||||||||||
| Week 51 | Week 51 | Week 51 | ||||||||||||
| Week 52 | "Party (Papiidipaadi)" | Antti Tuisku (featuring Nikke Ankara) | Week 52 | "Party (Papiidipaadi)" | Antti Tuisku (featuring Nikke Ankara) | Week 52 | "Eläköön" | Juha Tapio | ||||||
| Week 53 | "Honey" | Evelina (featuring Mikael Gabriel) | Week 53 | Week 53 | "Valot pimeyksien reunoilla" | Apulanta | ||||||||