1999–2000 Croatian First Football League
The 1999–2000 Croatian First Football League was the ninth season of the Croatian First Football League, the national championship for men's association football teams in Croatia, since its establishment in 1992. The season started on 24 July 1999 and ended on 13 May 2000. Dinamo Zagreb were the defending champions, having won their ninth championship title the previous season, and they defended the title again, after a win against Rijeka on 6 May 2000.
Teams
Stadia and locations
| Stadium | City | Home club | Capacity |
| Stadion Maksimir | Zagreb | Dinamo Zagreb | 37,168 |
| Stadion Poljud | Split | Hajduk Split | 35,000 |
| Stadion Gradski vrt | Osijek | Osijek | 19,500 |
| Stadion Varteks | Varaždin | Varteks | 10,800 |
| Stadion Kantrida | Rijeka | Rijeka | 10,275 |
| Stadion HNK Cibalia | Vinkovci | Cibalia | 9,920 |
| Stadion Kranjčevićeva | Zagreb | NK Zagreb | 8,850 |
| Stadion Šubićevac | Šibenik | Šibenik | 8,000 |
| Gradski Stadion u Borovu naselju | Vukovar | Vukovar '91 | 6,000 |
| Stadion Stanko Vlajnić-Dida, Stadion ŠRC Zaprešić | Slavonski Brod, Zaprešić | Hrvatski Dragovoljac | 5,000 |
| Gradski stadion u Koprivnici | Koprivnica | Slaven Belupo | 4,000 |
| Stadion Veruda | Pula | Istra | 3,000 |