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. Liga
 * České Budějovice (15th)
 * Lázně Bohdaneč (16th)

Promoted from the 1997–98 Czech 2. Liga
 * Blšany (1st)
 * Karviná (2nd)