| Otto Lasanen | |
| Height: | 166 cm |
| Weight: | 62 kg |
| Birth Date: | 14 April 1891 |
| Birth Place: | Kuopio, Finland |
| Death Place: | Asikkala, Finland |
| Sport: | Greco-Roman wrestling |
| Show-Medals: | yes |
Otto Abraham Lasanen (14 April 1891 – 25 July 1958) was a featherweight Greco-Roman wrestler from Finland.[1] He won a bronze medal at the 1912 Summer Olympics and placed fourth at the 1914 unofficial European Championships. In 1917 he won a Russian title, as Finland was part of Russia then. Lasanen was a car driver by profession.