It began on 14 April 2018 and ended on 27 October the same year.
Linköpings FC were the defending champions, having won the competition in 2017.
[1][2] Piteå IF won the series, and so also their first Swedish National Championship title.
[3] Note: 1 According to each club information page at the Swedish Football Association website for Damallsvenskan.
[5] Updated to games played on 27 October 2018.