The 2017–18 Moldovan Cup (Romanian: Cupa Moldovei) was the 27th season of the annual Moldovan football cup competition. Sheriff Tiraspol entered as the defending champions after winning the 2016–17 edition. It began with the first preliminary round on 22 July 2017, and concluded with the final on 23 May 2018. The winner qualifies for the first qualifying round of the 2018–19 UEFA Europa League.