| Birth Date: | 8 August 1885 |
| Birth Place: | Gothenburg, Sweden |
| Death Date: | 24 January 1962 (aged 76) |
| Death Place: | Härlanda, Gothenburg, Sweden |
| Height: | 179 cm |
| Weight: | 64 kg |
| Sport: | Athletics |
| Event: | Sprint |
| Club: | IFK Göteborg |
| Pb: | 100 m – 10.9 (1913) 200 m – 22.3e (1912) |
| Show-Medals: | yes |
Karl August "Charles" Luther (8 August 1885 - 24 January 1962) was a Swedish sprinter who won a silver medal in the 4 × 100 m relay at the 1912 Summer Olympics.[1] He failed to reach the finals of individual 100 m and 200 m events.