The 1938 24 Hours of Le Mans was the 15th Grand Prix of Endurance, and took place on 18 and 19 June 1938.
| 1 | 5.0 | 15 |  Eugène Chaboud / Jean Trémoulet | Eugène Chaboud Jean Trémoulet | Delahaye 135CS | Delahaye 3.6L I6 | 235 | |
|---|---|---|---|---|---|---|---|---|
| 2 | 5.0 | 14 | Gaston Serraud | Gaston Serraud Yves Giraud-Cabantous | Delahaye 135CS | Delahaye 3.6L I6 | 233 | |
| 3 | 5.0 | 5 | Jean Prenant | Jean Prenant André Morel | Talbot T150SS Coupe | Talbot 4.0L I6 | 219 | |
| 4 | 5.0 | 10 | Louis Villeneuve | Louis Villeneuve René Biolay | Delahaye 135CS | Delahaye 3.6L I6 | 218 | |
| 5 | 2.0 | 24 | Emile Darl'mat | Charles de Cortanze Marcel Contet | Darl'mat DS | Peugeot 2.0L I4 | 214 | |
| 6 | 2.0 | 28 |  Adler | Peter Graff Orssich Rudolf Sauerwein | Adler Super Trumpf Rennlimousine | Adler 1.7L I4 | 211 | |
| 7 | 1.5 | 33 | Adler | Otto Löhr Paul von Guillaume | Adler Trumpf Rennlimousine | Adler 1.5L I4 | 204 | |
| 8 | 1.1 | 46 | Jacques Savoye | Jacques Savoye Pierre Savoye | Singer Nine Le Mans Replica "Savoye Special" | Singer 1.0L I4 | 174 | |
| 9 | 1.1 | 42 | Just-Emile Vernet | Albert Debille Guy Lapchin | Simca Huit | Fiat 1.1L I4 | 172 | |
| 10 | 1.5 | 31 |  Ecurie Lapin Blanc | Peter Clark Marcus Chambers | HRG Le Mans | Singer 1.5L I4 | 170 | |
| 11 | 1.1 | 48 | Victor Camerano | Victor Camerano Robert Klempeneré | Simca Huit | Fiat 1.1L I4 | 166 | |
| 12 | 1.1 | 49 | Claude Bonneau | Claude Bonneau Anne-Cécile Rose-Itier | MG PA Midget Special | MG 1.0L I4 | 165 | |
| 13 | 1.1 | 40 | Miss P.M. Fawcett | Marjorie Fawcett Geoffrey White | Morgan 4/4 | Coventry Climax 1.1L I4 | 163 | |
| 14 | 750 | 51 | Amédée Gordini | Maurice Aimé Charles Plantivoux | Simca Cinq | Fiat 0.6L I4 | 151 | |
| 15 | 750 | 52 | Amédée Gordini | Albert Leduc Athos Querzola | Simca Cinq | Fiat 0.6L I4 | 140 |
| 16 | 5.0 | 19 | Raymond Sommer | Raymond Sommer Clemente Biondetti | Alfa Romeo 8C 2900B Touring Speciale | Alfa Romeo 2.9L Supercharged I8 | 219 | |
|---|---|---|---|---|---|---|---|---|
| 17 | 5.0 | 8 | Norbert Jean Mahé | Donald Mathieson Freddy Clifford | Talbot T150C | Talbot 4.0L I6 | 159 | |
| 18 | 5.0 | 7 | Jean Trévoux | Jean Trévoux Pierre Levegh | Talbot T150C | Talbot 4.0L i6 | 159 | |
| 19 | 2.0 | 27 | Robert P Hichens | Robert P Hichens Mortimer Morris-Goodall | Aston Martin Speed Model | Aston Martin 2.0L I4 | 150 | |
| 20 | 1.1 | 37 | Amédée Gordini | Amédée Gordini José Scaron | Simca Huit | Fiat 1.1L I4 | 140 | |
| 21 | 1.5 | 36 | Pierre Ferry | Pierre Ferry Francis Noireaux | Riley Sprite TT | Riley 1.5L I4 | 127 | |
| 22 | 1.1 | 43 | Amédée Gordini | Robert Lévy Adrien Alin | Simca | Fiat 1.0L I4 | 124 | |
| 23 | 1.1 | 38 | Amédée Gordini | Jean Viale Jean Breillet | Simca Huit | Fiat 1.1L I4 | 111 | |
| 24 | 3.0 | 23 | Mme Fernande Roux / Mme Germaine Rouault | Fernande Roux Germaine Rouault | Amilcar G36 "Pegase Special" | Amilcar 2.5L I4 | 101 | |
| 25 | 5.0 | 4 | Luigi Chinetti | René Carrière René Le Bègue | Talbot T150C | Talbot 4.0L I6 | 101 | |
| 26 | 5.0 | 12 | Georges Monneret | Georges Monneret Roger Loyer | Delahaye 135CS | Delahaye 3.6L I6 | 88 | |
| 27 | 5.0 | 6 | Luigi Chinetti | Louis Rosier Robert Huguet | Talbot T150SS Coupe | Talbot 4.0L i6 | 81 | |
| 28 | 1.1 | 47 | Team Autosports | John Donald Barnes Tommy Wisdom | Singer Nine Le Mans Replica | Singer 1.0L I4 | 74 | |
| 29 | 1.1 | 45 | Just-Emile Vernet | Gaston Tramar Paul Samuel | Simca 1000 | Fiat 1.0L I4 | 69 | |
| 30 | 5.0 | 3 | Luigi Chinetti | Philippe Etancelin Luigi Chinetti | Talbot T26 | Talbot 4.5L I6 | 66 | |
| 31 | 3.0 | 22 | Société R.V. | Louis Gérard Jacques de Valence de Minardiere | Delage D6-70 | Delage 3.0L I6 | 58 | |
| 32 | 1.1 | 41 | Just-Emile Vernet | Just-Emile Vernet Suzanne Largeot | Simca Huit | Fiat 1.1L I4 | 55 | |
| 33 | 5.0 | 21 | Marcel Horvilleur | Marcel Horvilleur Yves Matra | Alfa Romeo 2300 Monza | Alfa Romeo 2.9L Supercharged I6 | 53 | |
| 34 | 5.0 | 11 | Joseph Paul | Marcel Mongin Robert Mazaud | Delahaye 135CS | Delahaye 3.6L I6 | 50 | |
| 35 | 1.1 | 50 | Miss Dorothy Stanley-Turner | Elsie Wisdom Arthur Dobson | MG PB Midget | MG 0.9L I4 | 48 | |
| 36 | 1.1 | 39 | Just-Emile Vernet | Angelo Molinari Georges Sarret | Fiat 508S Balilla | Fiat 1.0L I4 | 40 | |
| 37 | 1.5 | 29 | Raoul Forestier | Raoul Forestier Roger Charon | Riley Sprite TT | Riley 1.5L I4 | 30 | |
| 38 | 5.0 | 1 | Ecurie Bleue | René Dreyfus Louis Chiron | Delahaye 145 | Delahaye 4.5L V12 | 21 | |
| 39 | 2.0 | 25 | Emile Darl'Mat | Jean Pujol Louis Rigal | Darl'Mat DS | Peugeot 2.0L I4 | 18 | |
| 40 | 5.0 | 2 | Ecurie Bleue | Gianfranco Comotti Albert Divo | Delahaye 145 | Delahaye 4.5L V12 | 7 | |
| 41 | 2.0 | 26 | Emile Darl'Mat | Maurice Serre Daniel Porthault | Darl'Mat DS | Peugeot 2.0L I4 | 6 | |
| 42 | 1.5 | 35 | Charles Morrison | Charles Morrison Neil Watson | Atalanta | Atalanta 1.5L I4 | 4 |