The 2020 Copa del Rey de Baloncesto was the 84th edition of the Spanish King's Basketball Cup.

It was managed by the ACB and was held in Málaga, in the Martín Carpena in February 2020.

The top seven ranking teams after the first half of the 2019–20 ACB regular season and Unicaja, as host team, qualified for the cup.

[2] The 2020 Copa del Rey de Baloncesto was drawn on 13 January 2020.

As in recent seasons, the first qualified team plays its quarterfinal game on Thursday.