2023 Supercopa de España de Baloncesto

The 2023 Supercopa de España de Baloncesto, also known as Supercopa Endesa for sponsorship reasons, was the 20th edition of the Supercopa de España de Baloncesto, an annual basketball competition for clubs in the Spanish basketball league system that were successful in its major competitions in the preceding season.

Real Madrid were the defending champions and defended the title successfully for their 6th Supercopa in a row and 10th in total.

All times are in Central European Summer Time (UTC+02:00).

Qualification
The tournament will feature the winners from the three major competitions (2022–23 Liga Endesa, 2023 Copa del Rey and 2022 Supercopa Endesa), the host team and the remaining highest ranked teams from the 2022–23 Liga Endesa season if vacant berths exist.

Qualified teams
The following four teams qualified for the tournament.

Venue
On July 20, 2023, ACB selected and announced Murcia to host the supercup in September 2023. The arena holds 7,454 people and was built in 1994. It had a budget of 25 million dollars, and was the most modern arena in Europe the moment it was built. The arena hosted the 1996 Copa del Rey de Baloncesto and 1998 All-Star weekend.

Draw
The draw was held on 22 August 2023. Barça as the league champion and Unicaja as the cup champion were the seeded teams.

Bracket
 