The 2005–06 Czech Extraliga season was the 13th season of the Czech Extraliga since its creation after the breakup of Czechoslovakia and the Czechoslovak First Ice Hockey League in 1993.
(C) = Playoff champions; (Q) = Qualified to playoffs; (RP) = Relegation playoff; (O) = Relegation playoff winner; (R) = Relegated.
Quarterfinals Semifinals Final HC Vsetin is relegated