Hiltunen is a Finnish surname. Notable people with the surname include:
Eila Hiltunen (1922–2003), Finnish sculptor Onni Hiltunen (1895–1971), Finnish politician Päivi Hiltunen-Toivio (born 1952), Finnish lawyer and diplomat Petri Hiltunen (born 1967), Finnish cartoonist and illustrator Pia Hiltunen (born 1991), Finnish politician