The 2020 Turkish Basketball Cup (Turkish: 2020 Basketbol Erkekler Türkiye Kupası) was the 35th edition of Turkey's top-tier level professional national domestic basketball cup competition.

The quarter-finals of tournament was held from 11–12 February 2020 in 4 different locations and then semi-finals and the final were held from 14–16 February 2020 in the Ankara Arena in Ankara, Turkey.

[1] The top eight placed teams after the first half of the top-tier level Basketball Super League 2019–20 season qualified for the tournament.

The competition was played under a single elimination format.

The 2020 Turkish Basketball Cup was drawn on 27 January 2020.