1998–99 Czech First League
The 1998–99 Czech First League, known as the Gambrinus liga for sponsorship reasons, was the sixth season of top-tier football in the Czech Republic. The season started on 2 August 1998.
League changes
Relegated to the 1998–99 Czech 2. LigaPromoted from the 1997–98 Czech 2. Liga
League table
Attendances
| Rank | Club | Average | Highest |
| 1 | Brno | 13,207 | 24,400 |
| 2 | Opava | 11,359 | 15,000 |
| 3 | Teplice | 8,577 | 18,500 |
| 4 | Baník Ostrava | 6,821 | 10,328 |
| 5 | Karviná | 6,496 | 9,842 |
| 6 | Sigma Olomouc | 6,423 | 8,520 |
| 7 | Příbram | 6,294 | 10,924 |
| 8 | Sparta Praha | 4,939 | 13,065 |
| 9 | Slavia Praha | 4,668 | 10,106 |
| 10 | Drnovice | 4,427 | 9,139 |
| 11 | Hradec Králové | 4,132 | 9,103 |
| 12 | Slovan Liberec | 4,101 | 6,650 |
| 13 | Viktoria Plzeň | 4,033 | 7,702 |
| 14 | Jablonec | 3,946 | 7,120 |
| 15 | Blšany | 3,709 | 5,450 |
| 16 | Viktoria Žižkov | 3,544 | 6,523 |
Source: