2003–04 Czech 1. Liga season

The 2003–04 Czech 1.liga season was the 11th season of the Czech 1.liga, the second level of ice hockey in the Czech Republic. 14 teams participated in the league, and HC Dukla Jihlava won the championship.

Quarterfinals

 * HC Beroun – BK Mladá Boleslav 3:0 (5:3, 5:1, 3:2 SN)
 * KLH Chomutov – SK Horácká Slavia Třebíč 3:2 (9:2, 4:6, 2:4, 3:1, 2:1)
 * HC Dukla Jihlava – HC Hradec Králové 3:0 (2:0, 5:1, 5:4 SN)
 * HC Slovan Ústí nad Labem – HC Olomouc 3:2 (7:2, 1:2, 3:6, 4:1, 3:0)

Semifinals

 * KLH Chomutov – HC Dukla Jihlava 1:3 (1:2, 1:4, 3:2 SN, 1:7)
 * HC Beroun – HC Slovan Ústí nad Labem 3:0 (1:0 SN, 4:0, 4:3)

Final

 * HC Beroun – HC Dukla Jihlava 2:3 (0:1, 5:2, 1:4, 5:2, 1:4)