| 1998–99 Croatian Ice Hockey League season | |
| League: | Croatian Hockey League |
| Sport: | Ice hockey |
| Season Champs: |  KHL Medveščak |
| Season Champ Name: | Regular-season winner |
| League Champs: | KHL Medveščak |
| League Champ Name: | Champions |
| Second Place: | KHL Zagreb |
| Seasonslist: | Croatian Ice Hockey League |
| Seasonslistnames: | Croatian Ice Hockey League |
| Prevseason Year: | 1997–98 |
| Nextseason Year: | 1999–00 |
The Croatian Hockey League Season for 1998-1999 resulted with KHL Medveščak winning the title for the third time in a row.
| width=20 | Rk | width=200 | Team | width=20 abbr="Games Played" | GP | width=20 abbr="Won" | W | width=20 abbr="Tied" | T | width=20 abbr="Lost" | L | width=20 abbr="Goals for" | GF | width=20 abbr="Goals against" | GA | width=20 abbr="Points" | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | KHL Medveščak Zagreb | 9 | 7 | 0 | 2 | 64 | 27 | 14 | |||||||||
| 2. | KHL Zagreb | 9 | 6 | 0 | 3 | 49 | 32 | 12 | |||||||||
| 3. | KHL Mladost | 9 | 5 | 0 | 4 | 52 | 36 | 10 | |||||||||
| 4. | HK Ina Sisak | 9 | 0 | 0 | 9 | 28 | 98 | 0 |
The semifinals on 13 and 16 February.
Medvescak swept Zagreb in a best of five series, by 3–0.
Sisak forfeited its games to Mladost, so Mladost won third place by default.