1989–90 French Rugby Union Championship

Le Racing won The 1988–89 French Rugby Union Championship [after beating Agen in the final.

Le Racing won his first bouclier de Brennus from 1959

Formula

 * The tournament was played by 80 clubs divided in sixteen pools of five..
 * The two better of each pool (a sum of 32 clubs) were admitted to the group A to play for the title
 * In the second round th e32 clubs of group A were divided in four pools of eight.
 * The four better of each pool of group A (16 clubs) were qualified to play the knockout stage

Group A qualification round to knockout stage
The teams are listed as the ranking, in bold the teams admitted to "last 16" round.

"Last 16"
In bold the clubs qualified for the quarter of finals.

Quarter of finals
In bold the clubs qualified for the next round