The 2017 Copa del Rey de Baloncesto is the 81st edition of the Spanish King's Basketball Cup.

It is managed by the ACB and is held in Vitoria-Gasteiz, in the Fernando Buesa Arena on February 16–19, 2017.

[1] Real Madrid defended successfully the title and conquered its fourth consecutive cup, 27th overall.

The semifinal between Baskonia and Real Madrid beat the record attendance for a Copa del Rey match with 15,465 spectators.

The 2017 Copa del Rey de Baloncesto was drawn on 16 January 2017 at approximately 12:00 CET and was broadcast live on YouTube and on TV in many countries.