Viljakainen is a Finnish surname.
Geographical distribution As of 2014, 88.0% of all known bearers of the surname Viljakainen were residents of Finland (frequency 1:4,325), 5.1% of Estonia (1:18,105), 4.2% of Sweden (1:164,113) and 1.9% of Canada (1:1,362,889).
In Finland, the frequency of the surname was higher than national average (1:4,325) in the following regions:Viljakainen surname distribution Southern Savonia (1:524) Päijänne Tavastia (1:1,930) Northern Savonia (1:2,950) Kymenlaakso (1:3,165) South Karelia (1:3,236) Central Finland (1:4,057) Uusimaa (1:4,244)
People Kalle Viljakainen (1853–1913), Finnish journalist and politician
References