| Birth Date: | 10 August 1880 |
| Birth Place: | Kristianstad, Sweden |
| Death Date: | 10 July 1955 (aged 74) |
| Death Place: | Bromma, Sweden |
| Sport: | Equestrian |
| Club: | Stockholms FRK |
| Show-Medals: | yes |
Carl Adolf Ragnar Olson (10 August 1880 – 10 July 1955) was a Swedish horse rider who competed in the 1928 Summer Olympics. He won a bronze medal in the individual dressage competition with his horse Günstling, and a silver medal as part of the Swedish dressage team.[1]
Olson lived in Hässleholm in southern Sweden. He became famous for housing, during the winter of 1918–1919, the exiled German army chief Erich Ludendorff, after the German World War I capitulation in 1918.[2] [3]