2005–06 Czech 1. Liga season

The 2005–06 Czech 1.liga season was the 13th season of the Czech 1.liga, the second level of ice hockey in the Czech Republic. 14 teams participated in the league, and HC Slovan Usti nad Labem won the championship.

Quarterfinals

 * HC Slovan Ústí nad Labem – HC Olomouc 4:0 (4:1, 8:2, 3:1, 3:1)
 * HC Dukla Jihlava – HC Hradec Králové 2:4 (5:4 SN, 2:4, 3:2, 2:3, 4:5 P, 0:4)
 * BK Mladá Boleslav – KLH Chomutov 4:0 (3:0, 1:0, 3:2 SN, 2:1)
 * HC Kometa Brno – HC Havířov 1:4 (4:3, 1:3, 2:3, 0:3, 0:1)

Semifinals

 * HC Slovan Ústí nad Labem – HC Hradec Králové 3:0 (4:1, 1:0, 4:1)
 * BK Mladá Boleslav – HC Havířov 3:0 (3:1, 7:3, 2:1)

Final

 * HC Slovan Ústí nad Labem – BK Mladá Boleslav 3:1 (0:6, 3:1, 2:0, 4:2)