2003-04 Austrian Nationalliga season

The 2003-04 Austrian Nationalliga season was contested as the second-level competition in Austria. EC Red Bull Salzburg won the championship.

Quarterfinals

 * EC TRENDamin Dornbirn (1) - EC Bregenzwerwald (8): 3:1' (7:2, 2:5, 11:2, 2:1)
 * Red Bulls Salzburg (2) - Wiener EV (7): 3:0 (7:2, 5:4, 3:2)
 * EHC Lustenau (3) - EV Zeltweg (6): 3:0 (4:3, 4:3, 4:1)
 * Kapfenberger SV (4) - EK Zell am See (5): 1:3 (0:4, 2:7, 2:1 OT, 1:4)

Semifinals

 * EC TRENDamin Dornbirn (1) - EK Zell am See (5): 3:2 (4:5, 6:5 SO, 14:0, 2:3, 6:4)
 * Red Bulls Salzburg (2) - EHC Lustenau (3): 3:0 (6:1, 6:1, 6:2)

Final

 * Bulldogs Dornbirn (1) - Red Bulls Salzburg (2): 0:3 (3:6, 3:6, 5:6)