| Birth Date: | 10 July 1889 |
| Birth Place: | Säffle, Sweden |
| Death Date: | 22 October 1987 (aged 98) |
| Death Place: | Västerås, Sweden |
| Sport: | Rowing |
| Club: | Göteborgs RK |
| Show-Medals: | yes |
Ragnar Fredrik Bergstedt (10 July 1889 – 22 October 1987) was a Swedish rower who competed in the 1912 Summer Olympics.[1] He was a crew member of the Swedish boat Göteborgs that was eliminated in the first round of the men's eight tournament.