The 2017–18 Primera División Femenina de Fútbol was the 30th edition of Spain's highest women's football league.
The season started on 3 September 2017 and ended on 13 May 2018.
Atlético de Madrid successfully defended their title from 2016 to 2017.
Madrid CFF and Sevilla joined the league after earning promotion at the conclusion of the 2016–17 Segunda División.
[1] They took the place of Oiartzun and Tacuense, which were relegated at the conclusion of the 2016–17 Primera División.