| Birth Date: | 12 April 1888 |
| Birth Place: | Kotka, Finland |
| Death Date: | 21 December 1953 (aged 65) |
| Death Place: | Astoria, Oregon, U.S. |
| Height: | 1.72m (05.64feet) |
| Weight: | 60–68 kg |
| Sport: | Greco-Roman wrestling |
| Club: | Kotkan Riento, Kotka |
| Show-Medals: | yes |
Kaarlo Anton "Kalle" Koskelo (12 April 1888 – 21 December 1953) was a Greco-Roman wrestler from Finland who won the featherweight event at the 1912 Olympics.[1] He then fought in World War I and Finnish Civil War, and in 1919 immigrated to the United States. He settled in Astoria, Oregon, where he became a prominent local businessman.
Kaarlo Koskelo married Lydia Koskelo (née Husa, 1889–1973) in 1909. Their son Elmer Koskelo (1912–1997) was a star javelin thrower at the University of Oregon.[2] [3]