Seven clubs competed with a total of 16 teams for one spot in the first qualifying round[1] of the 2018–19 UEFA Europa League.
FC Vaduz are the defending champions.
The top four teams received a bye to the third round, with the teams ranked 5th to 8th receiving a bye to the second round.
FC Vaduz II (U23) did not enter the competition.
The second round involved the four winners of the first round and the four teams which received a bye through to the second round (FC Schaan, FC Balzers III, FC Triesen II and USV Eschen/Mauren III).