The 2005–06 OK Liga was the 37th season of the top-tier league of rink hockey in Spain.
Barcelona Sorli Discau finished the league as champion.
Seeded teams played games 1, 2 and 5 of the series at home.
The 2006 Copa del Rey was the 63rd edition of the Spanish men's roller hockey cup.
[2] 23 years after its last title, Alnimar Reus Deportiu won its 6th cup.