The 1979–80 French Rugby Union Championship was won by Béziers beating Toulouse in the final.
The group B was won by Chambéry beating Angoulême in the final.
Contents
Formula
For the first time, the clubs of the "Group B" didn't participate for the title, but play a proper championship.
The group A, like the group B was divided in four pools of ten clubs.
The eight better of each pool were qualified for the knockout stages.
Group A
Qualification round
In bold the teams qualified for knock out stages, ordered second the ranking.
"Last 32"
In bold the clubs qualified for the next round
"Last 16"
In bold the clubs qualified for the next round
Quarter of finals
In bold the clubs qualified for the next round
Group B
Qualification round
In bold the teams qualified for knock out stages, ordered second the ranking.