The 2017–18 FC Midtjylland season was FC Midtjylland's 19th season of existence, and their 17th consecutive season in the Danish Superliga, the top tier of football in Denmark.

Outside of the Superliga, Midtjylland competed in the Danish Cup and the UEFA Europa League qualifying rounds.

The 2017–18 campaign saw Midtjylland win their second Danish Superliga title, and their first since 2015.

The club also reached the semifinals of the 2017–18 Danish Cup, and the play-off round of the 2017–18 UEFA Europa League.