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 1959Formula
- The tournament was played by 80 clubs divided in sixteen pools of five..
- The two better of each pool 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 were qualified to play the 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.
| Team 1 | Team 2 | 1st match | 2nd match |
| Nîmes | Toulouse | 6-13 | 3-33 |
| Béziers | Narbonne | 10-13 | 12-9 |
| Castres | Racing | 6-9 | 6-40 |
| Brive | Grenoble | 19-12 | 0-28 |
| US Colomiers | Touloun | 6-3 | 12-30 |
| Agen | Auch | 45-3 | 28-3 |
| Montferrand | Bègles-Bordeaux | 31-18 | 12-21 |
| Biarritz | Dax | 18-18 | 12-29 |
In bold the clubs qualified for the next round
| Team 1 | Team 2 | Results |
| Toulouse | Narbonne | 10-9 |
| Racing | Grenoble | 27-21 |
| Toulon | Agen | 0-6 |
| Montferrand | Dax | 34-12 |
Semifinals
Final
