Hynninen

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


 * Eero Hynninen (born 1953), Finnish sprint canoeist
 * Helka Hynninen (1930–2017), Finnish singer and songwriter
 * Jorma Hynninen (born 1941), Finnish opera singer
 * Onni Hynninen (1910–2001), Finnish sport shooter
 * Paavo Hynninen (1883–1960), Finnish diplomat