2003–04 Allsvenskan (ice hockey) season

The 2003–04 Allsvenskan season was the fifth season of the Allsvenskan, the second level of ice hockey in Sweden. 24 teams participated in the league, and Mora IK, Hammarby IF, AIK, and Skellefteå AIK qualified for the Kvalserien.

First round

 * Nybro IF - Bofors IK 0:2 (3:4 OT., 2:5)
 * Nyköpings Hockey - AIK 0:2 (0:6, 1:2 OT)
 * Växjö Lakers - IF Sundsvall Hockey 2:0 (2:1, 4:3 OT)
 * Piteå HC - Skellefteå AIK 1:2 (2:1 OT, 1:5, 1:4)

Second round

 * Bofors IK - AIK 1:2 (2:1, 2:4, 1:3)
 * Växjö Lakers - Skellefteå AIK 1:2 (2:1 OT, 2:3 OT, 1:5)

Northern Group
Vallentuna BK did not participate in the relegation round and were relegated to Division 1.