The King Alfonso XIII's Cup 1923 was the 23rd staging of the Copa del Rey, the Spanish football cup competition.
The competition started on 25 March 1923, and concluded on 13 May 1923, with the final, held at the Les Corts in Barcelona, in which Athletic Bilbao lifted the trophy for the ninth time with a 1âÂÂ0 victory over CD Europa with Travieso netting the only goal of the match.
Athletic de Bilbao qualified for the semifinals 8âÂÂ1 on agg.
CD Europa qualified for the semifinals 6âÂÂ1 on agg.
Athletic Bilbao qualified for the semifinals 2âÂÂ0 on agg.
CD Europa qualified for the semifinals 5âÂÂ3 on agg.