Hemmingsen is a Danish surname. Notable people with the surname include:
Carsten Hemmingsen (born 1970), Danish footballer and manager Michael Hemmingsen (born 1967), Danish footballer and manager Niels Hemmingsen (1513–1600), Danish Lutheran theologian Piers Hemmingsen (born 1955), Canadian author and music historian Steve Hemmingsen, American television journalist
See also Mount Hemmingsen, mountain of Antarctica