| Titre: | French Rugby Championship 1944–1945 |
| Organisateur: | FFR |
| Nombre D'éditions: | 46 |
| Countries: |  France |
| Participants: | 126 teams |
| Champions: | Agen |
| Runnersup: | Lourdes |
| Prevseason: | 1943–44 |
| Nextseason: | 1945–46 |
The 1944–45 French Rugby Union Championship first division was played at Parc des Princes on April 7, 1945, before 30,000 spectators and won by Agen, who defeated Lourdes 7–3 in the final.
The "Coupe de France" was also won by Agen, again by defeating Lourdes in the final.
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| Teams | Agen - Lourdes | |
| Score | 7-3 | |
| Date | 7 April 1945 | |
| Venue | Parc des Princes, Paris | |
| Referee | Lucien Barbe | |
| Line-up | ||
| Agen | Emile Béziat, Jean Clavé, Jean Londais-Béhère, Albert Ferrasse, Robert Landes, Jean Matheu-Cambas, Guy Basquet, Louis Cadaugade, Fernand Conquéré, Guy Maurel, Georges Baladie, Charles Calbet, Pierre Genestine, Robert Carabignac, Camille Bonnet | |
| Lourdes | Albert Grave, Pierre Mouthe, Daniel Saint-Pastous, Robert Soro, Georges Baudean, François Soro, Jean Prat, Jean Augé, René Barzu, Charles Peyrade, Léon Bordenave, René Lhoste, Guy Faget, Bettino Pallavicini, Jean Laborde-Grangé | |
| Point-scorer | ||
| Agen | 1 try Conquéré 1 drop Bonnet | |
| Lourdes | 1 try Auger |