Parti jeune finnois
Matti Pietinen (3 March 1859, in Sumiainen – 27 April 1918, in Viipuri; original surname "Pitkänen") was a Finnish schoolteacher, factory owner and politician. He was a member of the Diet of Finland from 1904 to 1906 and of the Parliament of Finland from 1910 to 1913, representing the Young Finnish Party.