1926 Copa del Rey
The King Alfonso XIII's Cup 1926 was the 26th staging of the Copa del Rey, the Spanish football cup competition.

The competition started on February 28, 1926, and concluded on May 16, 1926, with the final, held at the Mestalla in Valencia, in which FC Barcelona lifted the trophy for the seventh time with a 3–2 victory over Athletic Madrid.

Teams
For the first time ever, runners-up of each regional championship were able to participate in the tournament. So the tournament was expanded to 24 teams.

Aragon: Iberia SC, Zaragoza CD
Asturias: Sporting de Gijón, Fortuna de Gijón
Cantabria: Racing de Santander, Gimnástica de Torrelavega
Castile and León: Cultural y Deportiva Leonesa, Real Unión Deportiva
Catalonia: FC Barcelona, RCD Español
Galicia: Celta de Vigo, Deportivo de La Coruña
Gipuzkoa: Real Unión, Real Sociedad
Murcia: Real Murcia, Cartagena FC
 Center Region: Real Madrid, Athletic Madrid
 South Region: Sevilla FC, Real Betis
Valencia: Valencia CF, Levante FC
Biscay: Athletic Bilbao, Arenas Club

Group stage

Group 1

Group 2

Group 3

Group 4

Tie-break match

Group 5

Tie-break match

Group 6

Group 7

Group 8

Quarterfinals
First leg:

Semifinals
May 9, 1926

Final

Notes