 2004–05 Slovak Extraliga season

The Slovak Extraliga 2004–05 was the twelfth regular season of the Slovak Extraliga, the top level of professional ice hockey in Slovakia.During the 2004–05 NHL lockout several Slovak players returned to their homeland, including Pavol Demitra, Marián Hossa, Marián Gáborík (all in Dukla Trenčín), Miroslav Šatan and Ľubomír Višňovský (both in HC Slovan Bratislava), Michal Handzuš, Richard Zedník and Vladimír Országh (all in HKm Zvolen), Ladislav Nagy and Martin Štrbák (both in HC Košice).