The 2005 Copa del Rey Juvenil was the 55th staging of the tournament. The competition began on May 15, 2005, and ended on June 26, 2005, with the final.

First round

Quarterfinals

Semifinals

Final

FC Barcelona: GK Miguel RamosDF Carlos Alonso DF Marc Valiente DF Roger GiribetDF José Manuel CasadoMF Julio de Dios MF Lluís Sastre MF Toni Calvo MF Víctor Vázquez FW Paco Montañés FW Sito Riera Substitutes:FW Pedro MF Ramón Masó MF Franck Songo'o Manager: Juan Carlos RojoSporting de Gijón: GK Gregorio Ciudad RealDF Noel Alonso DF Fuentes DF Javier Rochela DF Jony López MF Marcos Landeira MF Pablo Acebal MF Sergio PrendesMF Pablo de Lucas FW CarlinosFW Luis Morán Substitutes:MF Saúl MF Jony Iglesias FW Roberto Manager: Alejandro Menéndez

Copa del ReyWinnersFC Barcelona