The season started on 18 April 2015 and ended on 10 October 2015.
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.
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.