| Birth Date: | 17 June 1924 |
| Birth Place: | Stockholm, Sweden |
| Death Place: | Järfälla, Sweden |
| Height: | 1.78m (05.84feet) |
| Weight: | 700NaN0 |
| Sport: | Athletics |
| Event: | 400 m, 400 m hurles |
| Club: | UoIF Matteuspojkarna |
| Pb: | 400 m – 47.9 (1948) 400 mH – 51.9 (1948) |
| Show-Medals: | yes |
Karl Rune Larsson (17 June 1924 - 17 September 2016)[1] was a Swedish sprinter and hurdler who specialized in 400 m events. He competed at the 1948 and 1952 Summer Olympics and won two bronze medals in 1948: in the 400 m hurdles and 4 × 400 m relay. He also won bronze medals in the same events at the European championships of 1946 and 1950. Larsson received the Svenska Dagbladet Gold Medal in 1951.