1999–2000 Croatian First A League
1999–2000 Croatian First A League was the ninth season of the Croatian handball league since its independence.
League tables and results
First Phase
| Club | P | W | D | L | G+ | G− | Dif | Pts | ||
| 1. | Badel 1862 Zagreb | 18 | 16 | 0 | 2 | 538 | 430 | +108 | 32 | Championship play-offs |
| 2. | Metković Jambo | 18 | 14 | 0 | 4 | 474 | 410 | +64 | 28 | Championship play-offs |
| 3. | Brodomerkur Split | 18 | 11 | 1 | 6 | 428 | 384 | +44 | 23 | Championship play-offs |
| 4. | Medveščak Osiguranje Zagreb | 18 | 8 | 4 | 6 | 449 | 457 | -8 | 20 | Championship play-offs |
| 5. | Wienerberger Cetera | 18 | 6 | 3 | 9 | 427 | 457 | -30 | 15 | Championship play-offs |
| 6. | Varteks Tivar Varaždin | 18 | 6 | 3 | 9 | 466 | 498 | -32 | 15 | Championship play-offs |
| 7. | Zamet Autotrans Rijeka | 18 | 7 | 1 | 10 | 440 | 453 | -13 | 15 | Relegation play-offs |
| 8. | Karlovac | 18 | 6 | 2 | 10 | 455 | 471 | -16 | 14 | Relegation play-offs |
| 9. | Moslavina Kutina | 18 | 6 | 1 | 11 | 459 | 469 | -10 | 13 | Relegation play-offs |
| 10. | PIPO IPC Čakovec | 18 | 2 | 1 | 15 | 397 | 504 | -107 | 5 | Relegated |
Relegation play-offs
| Club | P | W | D | L | G+ | G− | Dif | Pts | |
| 1. | Zamet Autotrans Rijeka | 6 | 4 | 1 | 1 | 196 | 171 | +25 | 9 |
| 2. | Moslavina Kutina | 6 | 4 | 0 | 2 | 179 | 175 | +4 | 8 |
| 3. | Karlovac | 6 | 3 | 0 | 3 | 197 | 184 | +13 | 6 |
| 4. | Ekol Ivančica | 6 | 0 | 1 | 5 | 158 | 200 | -42 | 1 |