| Birth Date: | 28 November 1901 |
| Birth Place: | Schiltigheim, France |
| Death Date: | 2 January 1962 (aged 60) |
| Death Place: | Strasbourg, France |
| Height: | 1.78m (05.84feet) |
| Weight: | 80kg (180lb) |
| Sport: | Swimming |
| Club: | AS Strasbourg |
| Show-Medals: | yes |
Gustave Klein (28 November 1901 – 2 January 1962) was a French freestyle swimmer who competed at the 1924 and 1928 Summer Olympics.[1] In 1924 he did not finish his 1500 m race, and in 1928 he failed to reach the finals of the 100 m and 4 × 200 m relay events.