| 2008–09 OK Liga | |
| Sport: | Roller hockey |
| League: | OK Liga |
| Second Place: | Coinasa Liceo |
| Relegate To: | Primera División |
| Relegate: | Grup Clima Mataró Güell Voltregà Sitges Arian |
| Seasonslistnames: | OK Liga |
| Prevseason Link: | 2007–08 OK Liga |
| Prevseason Year: | 2007–08 |
| Nextseason Link: | 2009–10 OK Liga |
| Nextseason Year: | 2009–10 |
The 2008–09 OK Liga was the 40th season of the top-tier league of rink hockey in Spain.
Barcelona Sorli Discau finished the league as champion.
Sixteen teams joined the league.
The eight first teams at the end of the regular season qualified for the playoffs while the three last teams were relegated to Primera División.
Quarterfinals were played with a best-of-three format, while semifinals and final were played with a best-of-five series.
Seeded teams played games 1 and 3 of the quarterfinals and 1, 2 and 5 of semifinals and finals at home.
| width=30 | ! | Team | Qualification or relegation |
|---|---|---|---|
| 1 | CERH European League | ||
| 2 | CERS Cup | ||
| 3 | CERH European League | ||
| 4 | Alnimar Reus Deportiu | ||
| 5 | Noia Freixenet | ||
| 6 | CERS Cup | ||
| 7 | CERH European League | ||
| 8 | |||
| 9 | CERS Cup | ||
| 10 | Viva Hàbitat Blanes | ||
| 11 | Vilanova L'Ull Blau | ||
| 12 | |||
| 13 | Cemex Tenerife | ||
| 14 | Relegation and CERH European League | ||
| 15 | Relegation to Primera División | ||
| 16 | Sitges Arian |
| Tourney Name: | Copa del Rey |
| Year: | 2009 |
| Dates: | 19–22 March 2009 |
| Arena: | Riazor, A Coruña |
| Champion: | Roncato Vic (2nd title) |
| Second: | Barcelona Sorli Discau |
| Prevseason: | 2008 |
| Nextseason: | 2010 |
The 2009 Copa del Rey was the 66th edition of the Spanish men's roller hockey cup. It was played in A Coruña between the eight first qualified teams after the first half of the season.
Roncato Vic won its 2nd cup.