1985–86 French Rugby Union Championship
The 1985–86 French Rugby Union Championship was won by Toulouse that beat Agen in the final.
Formula
The 40 clubs were divided in 4 pools of ten.The best two teams of each pool were admitted directly to the "last 16", while the teams classified from 3rd to 6th played a barrage
Qualification round
The teams are listed as the ranking, in bold the teams admitted directly to "last 16" round.Pool 1
ToulouseNarbonne- Béziers
- Brive
- Graulhet
- Romans
- Mont-de-Marsan
- Boucau
- Stade Bagnérais
- Lombez-Samatan
Pool 2
ToulounBiarritzPool 3
AgenNîmesPool 4
PerpignanMontferrandKnockout stages
Barrage
In bold the clubs qualified for the next round| Team 1 | Team 2 | Results |
| Bayonne | Pau | 6-3 |
| Béziers | Hagetmau | 10-6 |
| Racing | Oloron | 4-3 |
| Brive | Le Creusot-Montchanin | 30-6 |
| Grenoble | Aurillac | 9-6 |
| Lourdes | Romans | 16-10 |
| RRC Nice | Stadoceste | 15-14 |
| Graulhet | Valence | 15-4 |
"Last 16"
In bold the clubs qualified for the next round| Team 1 | Team 2 | 1st match | 2nd match |
| Bayonne | Agen | 12-6 | 6-31 |
| Béziers | Nîmes | 9-3 | 17-12 |
| Racing | Perpignan | 20-16 | 3-13 |
| Brive | Touloun | 12-0 | 3-43 |
| Grenoble | Biarritz | 9-0 | 9-19 |
| Lourdes | Toulouse | 9-20 | 3-35 |
| RRC Nice | Montferrand | 9-6 | 3-6 |
| Graulhet | Narbonne | 15-12 | 9-10 |
Quarter of finals
In bold the clubs qualified for the next round| Team 1 | Team 2 | Results |
| Agen | Béziers | 16-12 |
| Perpignan | Touloun | 10-15 |
| Biarritz | Toulouse | 3-16 |
| Montferrand | Graulhet | 12-15 |