The 2004–05 Slovenian Ice Hockey League season was the 14th season of the Slovenian Hockey League. Seven teams participated in the league, and Olimpija won the league championships.
| Club | GP | W | T | L | GF | GA | +/– | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Group A | ||||||||||
| 1 | Jesenice | 12 | 10 | 2 | 0 | 71 | 21 | +50 | 25 (3) | |
| 2 | HDD Olimpija | 12 | 5 | 4 | 3 | 32 | 23 | +9 | 15 (1) | |
| 3 | Slavija | 12 | 3 | 3 | 6 | 35 | 38 | –3 | 11 (2) | |
| 4 | Kranjska Gora | 12 | 1 | 1 | 10 | 22 | 78 | –56 | 4 (1) | |
| Group B | ||||||||||
| 5 | Triglav Kranj | 6 | 5 | 0 | 1 | 36 | 13 | +23 | 13 (3) | |
| 6 | Maribor | 7 | 4 | 0 | 3 | 36 | 32 | –4 | 10 (2) | |
| 7 | HK Olimpija | 5 | 0 | 0 | 5 | 11 | 37 | –26 | 1 (1) | |