Juntunen is a Finnish surname. Notable people with the surname include:
Paul Juntunen (also known as Paul Jayson; 1921–2004), American professional basketball player Craig Juntunen (born 1954), American player of Canadian football Jani Juntunen, Finnish radio host Helena Juntunen (born 1976), Finnish opera singer Tommi Juntunen (born 1993), Swedish ice hockey player