The 2017–18 Cupa României was the 80th season of the annual Romanian primary football knockout tournament.

The winner, Universitatea Craiova, qualified for the third qualifying round of the 2018–19 UEFA Europa League.

The following 124 teams qualified for the competition: The first rounds, and any preliminaries, are organised by the Regional Leagues.

[9][10] The matches were played on 28, 29 and 30 November 2017.

[13][14] The semi-final matches are played in a round-trip system.