Aatos Juho Michel Erkko (born 16 September 1932 in Helsinki) is a Finnish journalist and the main owner of SanomaWSOY and its Helsingin Sanomat newspaper. Erkko has a Master of Sciences degree and he has studied journalism in the Columbia College of Columbia University. Aatos Erkko is married to Mrs. Jane Erkko. His grandfather Eero Erkko was a Finnish journalist and founder of the Helsingin Sanomat newspaper.