The 1919 Copa del Rey Final was an association football match between Arenas Club de Getxo and FC Barcelona on 18 May 1919 at the Martínez Campos stadium in Madrid. It was the deciding match of the Spanish cup competition, the Copa del Rey. Both teams progressed through a quarterfinal and a semifinal round to reach the final, with Barcelona going undefeated throughout the tournament. Arenas de Getxo defeated Barcelona 5–2 and won their first title. Félix Sesúmaga proved crucial for the victors, scoring two equalizers in normal time and another in extra time to help Arenas to a 5–2 win.