The 1923 Copa del Rey was the 21st edition of the Spanish Football Cup.
The competition started on March 25th and ended with the final on May 13th, 1923 in the Camp de Les Corts in Barcelona . The defending champion of the cup competition was FC Barcelona . Athletic Bilbao won the title by beating CD Europa 1-0 in the final .
If the teams meeting in the quarter-finals or semi-finals were able to win one of the games, the goal difference was not used to determine the winner, but a play-off game was played.
Quarter finals
The first leg was played on March 25, the second leg on April 8, 1923. The second leg between Real Sociedad and Vigo Sporting was played on April 13th due to bad weather.