Rautio is a Finnish surname. Notable people with the surname include:
Karl Rautio (1889–1963), Finnish composer Markus Rautio (1891–1973), Finnish radio journalist and presenter Valdemar Rautio (1921–1973), Finnish triple jumper Martti Rautio (1935–2017), Canadian cross-country skier Maria Rautio (born 1957), Swedish cross-country skier Nina Rautio (born 1957), Russian operatic soprano Kai Rautio (born 1964), Finnish ice hockey player David Rautio (born 1985), Swedish ice hockey player