Kailajärvi

Kailajärvi is a Finnish surname that may refer to
 * Jaakko Kailajärvi (born 1941), Finnish weightlifter
 * Jouni Kailajärvi (born 1938–2003), Finnish weightlifter, brother of Jaakko
 * Hannu Kailajärvi, Finnish businessman responsible for the WinCapita Internet-based Ponzi scheme