Hellwig is a German surname. Notable people with the surname include:
Christian Hellwig, German economic theorist and macroeconomist
Fritz Hellwig (born 1912), German CDU politician and European Commissioner
Helen Hellwig (1874–1960), American tennis player
James Brian Hellwig (1959–2014), American professional wrestler
Jason Hellwig (born 1971), Australian sport administrator
Johann Christian Ludwig Hellwig (1743–1831), German entomologist
Maria Hellwig (1920–2010), German yodeler, popular performer
Marcus Hellwig (born 1965), German journalist
Margot Hellwig (born 1941), German folk singer
Martin Hellwig (born 1949), German economist
Monika Hellwig (1929–2005), German-born United States-based British academic, author, educator
Otto Hellwig (1898–1962), German SS officer
