The 2003–04 OK Liga was the 35th season of the top-tier league of rink hockey in Spain.
Barcelona Excelent finished the league as champion.
Seeded teams played games 1, 2 and 5 of the series at home.
Source: [2] The 2004 Copa del Rey was the 61st edition of the Spanish men's roller hockey cup.
It was played in Reus between the eight first qualified teams after the first half of the season.