The 2003–04 Copa Federación de España was the 11th staging of the Copa Federación de España, a knockout competition for Spanish football clubs in Segunda División B and Tercera División.
The competition began in August 2004 with the Regional stages and ended with the finals on 1 and 14 April 2004.
Regional tournaments Asturias tournament Preliminary round Group A
Group B
Group C
Group D
Final bracket
Castile and León tournament Final
National tournament
Round of 32
Round of 16
Quarter-finals
Semifinals
Final
References 2000–2009 Copa Federación results Asturias tournament results