1963–64 French Rugby Union Championship
The 1963–64 French Rugby Union Championship was contested by 56 teams in 7 pools.
The four first teams of each pool and the best four placed 5th qualified for the last 32.
Pau won the championship after beating Béziers in the final.
It was the third time Pau had won the championship.
Qualification round
Teams in bold qualified for the next roundPool 1
CognacLannemezan- Limoges
- MarmandeMazamet
- SBUCMont de Marsan
- '''Tulle'''
Pool 2
AngoulêmePool 3
AgenPool 4
AurillacBrive- CarmauxGrenoble
- Le Creusot
- Lyon OURomans
- Vichy
Pool 5
BéziersNarbonne- Périgueux
- Perpignan
- Paris Université ClubSaint-SeverStadoceste
- Tyrosse
Pool 6
BayonneBèglesCahorsLa VoultePool 7
- AlbiChalon
- Chambéry
- Stade Langonnais MontferrandRacing
- Toulouse Olympique EC
- '''Valence'''
"Last 32"
Teams in bold qualified for the next round| Team 1 | Team 2 | Results |
| Pau | Brive | 9-6 |
| Chalon | Mazamet | 3-0 |
| Bayonne | Montauban | 8-6 |
| Racing | Castres | 5-0 |
| Narbonne | Grenoble | 11-3 |
| Mont de Marsan | Lannemezan | 5-0 |
| Montferrand | La Voulte | 5-3 |
| Cognac | Toulon | 3-0 |
| Béziers | Saint-Sever | 17-6 |
| Aurillac | Valence | 9-6 |
| Dax | La Rochelle | 14-0 |
| Graulhet | Bègles | 11-9 |
| Stadoceste | Vienne | 11-0 |
| Tulle | Romans | 6-0 |
| Agen | Angoulême | 8-6 |
| Lourdes | Cahors | 13-5 |
Brive, the best placed team in the qualification round, was eliminated by Pau, the worst placed team to become the French Champions.
"Last 16"
Teams in bold qualified for the quarterfinals| Team 1 | Team 2 | Results |
| Pau | Chalon | 3-0 |
| Bayonne | Racing | 3-3 |
| Narbonne | Mont de Marsan | 13-6 |
| Montferrand | Cognac | 16-6 |
| Béziers | Aurillac | 17-6 |
| Dax | Graulhet | 5-0 |
| Stadoceste | Tulle | 12-6 |
| Agen | Lourdes | 19-8 |
Quarterfinals
Teams in bold qualified for the semifinals| Team 1 | Team 2 | Results |
| Pau | Bayonne | 11-6 |
| Narbonne | Montferrand | 11-0 |
| Béziers | Dax | 8-3 |
| Stadoceste | Agen | 6-0 |