| Competition: | Naisten Liiga |
| Season: | 2015 |
| Winners: | PK-35 (5th title) |
| Relegated: | Merilappi United |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | PK-35 |
| Matches: | 117 |
| Total Goals: | 475 |
| League Topscorer: | Heidi Kollanen (24 goals) |
| Biggest Home Win: | Pallokissat 8–0 VIFK |
| Biggest Away Win: | NiceFutis 1–8 Ilves HJK 0–7 PK-35 |
| Prevseason: | 2014 |
| Nextseason: | 2016 |
| Updated: | 19 October 2015 |
The 2015 Naisten Liiga, part of the 2015 Finnish football season, was the 9th season of Naisten Liiga since its establishment in 2007. The season started on 18 April 2015 and ended on 10 October 2015. Tikkurilan Palloseura was promoted.
The season featured 10 teams. After 18 matches played, the league was divided to Championship Group of six and Relegation Group of four. PK-35 Vantaa were the 2014 season champions and successfully defended their title and qualified for the first qualifying round of the 2016–17 UEFA Women's Champions League. Merilappi United was relegated to the Naisten Ykkönen for the 2016 season.
| Team | Location | Stadium | Manager | |
|---|---|---|---|---|
| FC Honka | Espoo | Tapiolan Urheilupuisto |  Luciano Posillipo | |
| HJK | Helsinki | Töölön Pallokenttä | Pasi Pihamaa | |
| Ilves | Tampere | Tammela Stadion | Rami Rosenberg | |
| Merilappi United | Kemi | City Sport Areena | Jukka-Pekka Poutiainen | |
| NiceFutis | Pori | Pori Stadium | Heimo Piira | |
| Pallokissat | Kuopio | Savon Sanomat Areena | Ollipekka Ojala | |
| PK-35 | Vantaa | ISS Stadion | Jari Väisänen | |
| TPS | Turku | Turun yläkenttä | Sami Haltia | |
| VIFK | Vaasa | Hietalahti Stadium | Keijo Karvonen | |
| Åland United | Lemland | Bengtsböle IP | Gary Williams |
Teams played each other twice, after that the top six teams formed a championship group and the bottom four a relegation group. At the championship group teams played each other once more while at the relegation group, teams played each other twice.
The regular season had a total of 18 matches per club.
Points and goals of the final stage are just added to the regular season.
As of matches played on 10 October 2015.[1]
| Pos. | Player | Club | Goals |
|---|---|---|---|
| 1 | Heidi Kollanen | Ilves | 24 |
| 2 | Cynthia Uwak | Åland United | 23 |
| 3 | Ria Öling | TPS | 18 |
| 4 |  Signy Aarna | Pallokissat | 17 |
| 5 | Riikka Hannula | FC Honka | 14 |
| Emma Heikkilä | Merilappi United | ||
| 7 | Iina Salmi | 13 | |
| 8 | Sanna Saarinen | 11 | |
| 9 | Kaisa Collin | HJK | 10 |
| Eva-Susanna Dahlmars | |||
 Krystyna Freda | Merilappi United | ||
| Ella-Rosa Huusko | |||
| Heidi Pihlaja | |||