The 2017–18 Primera Divisió, also known as Lliga Multisegur Assegurances, was the 23rd season of top-tier football in Andorra.
[1] The defending champions are FC Santa Coloma having won their eleventh championship the previous season.
[4] Penya Encarnada will join them after defeating Ordino in a play-off.
The eight clubs will play each other three times for twenty–one matches each during the regular season.
The seventh-placed club (third-placed in the relegation round), Encamp, from the 2017–18 Primera Divisió and the runners-up from the 2017–18 Segona Divisió, Atlètic Club d'Escaldes, played in a two-legged relegation play-off for one place in the 2018–19 Primera Divisió.