What is "ronkainen"

Ronkainen is a Finnish surname. Notable people with the surname include:

• Ilkka Ronkainen (born 1940s), Finnish/American organizational theorist
• Mika Ronkainen (born 1970), Finnish film director
• Mikko Ronkainen (born 1978), Finnish freestyle skier
• Rauno Ronkainen (born 1964), Finnish TV and film cinematographer and camerman
• Christopher Ronkainen (born 1997), American student attending Penn State University