| Karaliaus Mindaugo taurė | |
| Year: | 2018–19 |
| Country: | Lithuania |
| City: | Vilnius |
| Venues: | Rytas Arena Siemens Arena |
| Dates: | 9 October 2018 – 17 February 2019 |
| Num Teams: | 14 |
| Defending Champions: | Žalgiris |
| Winners: | Rytas (2nd title) |
| Second: | Žalgiris |
| Third: | Lietkabelis |
| Award Title: | MVP |
| Award: |  Artsiom Parakhouski |
| Prev Season: | 2018 |
| Next Season: | 2019–20 |
The 2018–19 King Mindaugas Cup, also known as Kidy Tour Karaliaus Mindaugo taurė for sponsorship purposes, was the fourth edition of the Lithuanian King Mindaugas Cup. Rytas won their second cup after defeating defending champions Žalgiris in the final 70–67.
All 10 teams from 2018–19 LKL season and top 4 teams from 2017–18 NKL season participated in this tournament. Top six teams from 2017–18 LKL season have received bye's to quarterfinals stage, while the rest of the LKL teams and NKL teams participated in two-stage qualifiers, where second round pair winners advanced to the Quarterfinals.[1] [2]
7–10 ranked teams from 2017 to 2018 LKL season and top 4 2017–18 NKL season teams faced-off each other in a home-and-away format, with the overall cumulative score determining the winner of a match. The winners advanced to the next round.
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First round winners faced-off each other in a home-and-away format, with the overall cumulative score determining the winner of a match. The winners earned the remaining quarterfinals spots.
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Top six teams from 2017–18 LKL season have received bye's to quarterfinals stage. Those teams are:
All qualified teams will be drawn into pairs, where they will face-off each other in a home-and-away format, with the overall cumulative score determining the winner of a match. The winners of each pair would then qualify for the Final four.|}
The final four was hosted by the Rytas Arena and Siemens Arena in Vilnius on 16–17 February 2019.[3]