Autio is a surname. Notable people with the surname include:
Aino Autio (1932–2022), Finnish sprinter Asko Autio (born 1953), Finnish cross-country skier Kaarina Autio (1941–2013), Finnish gymnast Karen Autio, Finnish-Canadian writer Lela Autio (1927–2016), American painter and sculptor Narelle Autio (born 1969), Australian photographer Rudy Autio (1926–2007), American sculptor Veli Autio (1909–1993), Finnish rower