Otto Abraham Lasanen (14 April 1891 – 25 July 1958) was a featherweight Greco-Roman wrestler from Finland. 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.
Otto Lasanen at the International Wrestling Database