The 2017–18 Montenegrin Cup was the 12th season of the knockout football tournament in Montenegro.
[1] The winners of the competition earned a spot in the 2018–19 UEFA Europa League.
[2] Sutjeska were the defending champions after winning the cup in the previous season.
[1] Sixteen clubs competed in the second round played over two legs from 13 to 27 September 2017.
[1] Four clubs competed in the semi-finals played over two legs on 18 April and 2 May 2018.