1998–99 French Rugby Union Championship
The 1998–99 French Rugby Union Championship was played by 24 teams divided in the preliminary phase into three pools of 8. The first five teams from each pool and the best 6th placed were admitted to second round. The other played a relegation tournament divided in two pools.
Toulouse won the title, beating Montferrand in the final.First round
Pool 2
Pool 3
Second round
The first of each pools were qualified to quarter of finalsPool 1
Pool 2
Pool 3
Pool 4
Semifinals
Final
Pool 1
Béziers was classified last for worst point difference in the direct matches
, and was relegated in Pro D2.Pool 2
RC Nice was relegated in Pro D2.