| Titre: | French Rugby Championship 1937–1938 |
| Organisateur: | FFR |
| Nombre D'éditions: | 42 |
| Countries: |  France |
| Participants: | 40 teams |
| Champions: | USA Perpignan |
| Runnersup: | Biarritz |
| Prevseason: | 1936–37 |
| Nextseason: | 1938–39 |
The 1937–38 French Rugby Union Championship was won by Perpignan that beat Biarritz in the final.
The tournament was played by 40 clubs divided in eight pools of five clubs.At the second round were admitted the first two of each pool.
The 1938 International Championship was won by Scotland, the France was excluded.
France won the third FIRA Tournament in Bucharest.
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| Teams | Perpignan - Biarritz | |
| Score | 11-6 | |
| Date | 8 May 1938 | |
| Venue | Stade des Ponts Jumeaux, Toulouse | |
| Referee | Léopold Mailhan | |
| Line-up | ||
| Perpignan | Sauveur Moly, Louis Montagné, André Poncy, Marcel Llary, Egalité Casenove, Henri Gras, Lucien Ballini, Jacques Palat, Roger Vaills, Gilbert Lavail, André Abat, Noël Brazès, Joseph Desclaux, Jean Serre, Paul Porical | |
| Biarritz | Francis Daguerre, André Henon, Alfred Guiné, Jean-Baptiste Lefort, Etienne Ithurra, Louis Lascaray, Gabriel Boutayre, Henri Leguay, Raoul Gascon, Henri Haget, Claude Paquin, Gabriel Haget, Jacques Arrizabalaga, Jean Galey, Rémi Sallenave | |
| Scorers | ||
| Perpignan | 3 tries Brazès (2), Casenove 1 conversion de Desclaux | |
| Biarritz | 1 try Sallenave, 1 penalty de Boutayre |