The 2018 ABA League Supercup was the second tournament of the ABA League Supercup, featuring teams from the Adriatic League First Division.

[citation needed] Based on the results in the 2017–18 ABA League First Division season there are 8 participants at the 2018 Adriatic Supercup.

Eighth team is the host.

Qualified teams are the seven best placed teams of the season and the host.

[1] Source: ABA League