Jonas Castrén

Jonas Castrén (25 February 1850 – 10 October 1922) was a Finnish lawyer and politician, born in Pyhäjärvi. He was a member of the Diet of Finland in 1885, in 1888, in 1891, in 1894 and from 1905 to 1906 and of the Parliament of Finland from 1907 to 1917.