| Season | 1998–99 |
|---|---|
| Champions | Vukovar '91 |
| Promoted | Vukovar '91 Istra Pula |
| Relegated | Imotska Krajina Croatia Đakovo Budućnost Hodošan Samobor Posavina Zagreb Inker Zaprešić |
| Top goalscorer | Dubravko Zdrilić (29) |
The1998–99 Druga HNL was the 8th season ofDruga HNL, the second level league inCroatian football.
The format of the league was changed and the five regional subdivisions which composed the Druga HNL in the1997–98 season were merged into a single nationwide format for the 1998–99 season. A total of 19 clubs competed in Druga HNL this season, in a double round-robin format.
| Club | City / Town | Stadium | Capacity | 1997–98 result |
|---|---|---|---|---|
| Belišće | Belišće | Gradski stadion Belišće | 4,000 | 2nd: 2.HNL East |
| Bjelovar | Bjelovar | Gradski stadion Bjelovar | 4,000 | 3rd: 2.HNL North |
| Budućnost Hodošan | Hodošan | Stadion Sportski dom | 1,000 | 2nd: 2.HNL North |
| Čakovec | Čakovec | Stadion SRC Mladost | 8,000 | 1st: 2.HNL North |
| Croatia Đakovo | Đakovo | Gradski stadion Đakovo | 3,000 | 3rd: 2.HNL East |
| Croatia Sesvete | Sesvete | Stadion ŠRC Sesvete | 3,500 | 5th: 2.HNL Center |
| Imotska Krajina | Proložac | Stadion Šarampov | 1,000 | 3rd: 2.HNL South |
| Inker Zaprešić | Zaprešić | Stadion ŠRC Zaprešić | 4,500 | 4th: 2.HNL Center |
| Istra Pula | Pula | Stadion Aldo Drosina | 7,000 | 2nd: 2.HNL West |
| Jadran Poreč | Poreč | Stadion Veli Jože | 2,000 | 1st: 2.HNL West |
| Orijent | Rijeka | Stadion SC Krimeja | 4,000 | 3rd: 2.HNL West |
| Otok | Otok | 4th: 2.HNL East | ||
| Posavina Zagreb | Zagreb | Igralište na Savici | 1,000 | 3rd: 2.HNL Center |
| Samobor | Samobor | Gradski stadion Samobor | 5,000 | 12th inPrva HNL |
| Segesta | Sisak | Gradski stadion Sisak | 8,000 | 1st: 2.HNL Center |
| Solin | Solin | Stadion pokraj Jadra | 4,000 | 2nd: 2.HNL South |
| RNK Split | Split | Stadion Park mladeži | 8,000 | 1st: 2.HNL South |
| Vukovar '91 | Vukovar | Gradski stadion Borovo Naselje | 6,000 | |
| Zagorec Krapina | Krapina | Stadion SRC Podgora | 3,000 | 2nd: 2.HNL Center |
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vukovar '91(C, P) | 36 | 22 | 8 | 6 | 69 | 29 | +40 | 74 | Promotion toCroatian First Football League |
| 2 | Istra Pula(P) | 36 | 21 | 9 | 6 | 71 | 27 | +44 | 72 | |
| 3 | Segesta | 36 | 22 | 4 | 10 | 84 | 34 | +50 | 70 | |
| 4 | Čakovec | 36 | 19 | 8 | 9 | 62 | 38 | +24 | 65 | |
| 5 | RNK Split | 36 | 17 | 8 | 11 | 60 | 34 | +26 | 59 | |
| 6 | Belišće | 36 | 17 | 8 | 11 | 67 | 50 | +17 | 59 | |
| 7 | Bjelovar | 36 | 17 | 7 | 12 | 53 | 43 | +10 | 58 | |
| 8 | Otok | 36 | 16 | 7 | 13 | 56 | 49 | +7 | 55 | |
| 9 | Zagorec Krapina | 36 | 15 | 6 | 15 | 50 | 55 | −5 | 51 | |
| 10 | Jadran Poreč | 36 | 13 | 9 | 14 | 58 | 45 | +13 | 48 | |
| 11 | Solin | 36 | 14 | 6 | 16 | 49 | 49 | 0 | 48 | |
| 12 | Croatia Sesvete | 36 | 14 | 6 | 16 | 52 | 56 | −4 | 48 | |
| 13 | Orijent | 36 | 13 | 9 | 14 | 39 | 48 | −9 | 48 | |
| 14 | Imotska Krajina(R) | 36 | 13 | 8 | 15 | 49 | 54 | −5 | 47 | Relegation toCroatian Third Football League |
| 15 | Croatia Đakovo(R) | 36 | 11 | 12 | 13 | 45 | 48 | −3 | 45 | |
| 16 | Budućnost Hodošan(R) | 36 | 12 | 8 | 16 | 49 | 85 | −36 | 44 | |
| 17 | Samobor(R) | 36 | 5 | 11 | 20 | 40 | 84 | −44 | 26 | |
| 18 | Posavina Zagreb(R) | 36 | 5 | 7 | 24 | 29 | 76 | −47 | 22 | |
| 19 | Inker Zaprešić(R) | 36 | 3 | 5 | 28 | 25 | 103 | −78 | 14 |