The 2018 Karaliaus Mindaugo taurė, also known as SIL – Karaliaus Mindaugo taurė for sponsorship purposes,[1] was the third edition of the Lithuanian King Mindaugas Cup.

Žalgiris successfully defended its title after beating BC Lietuvos rytas in the Final.

After a lot of criticism during last year's tournament Lithuanian Basketball League changed distribution of quarterfinals games venues, awarding them directly to seeded teams instead of previously held open draw.

[2] LKL Cheerleaders Battles final was added to complement the event alongside traditional Three-point and Slam Dunk contests.

[1] Eight highest ranked teams after the first half of the 2017–18 LKL regular season will qualify to the tournament.