Juhani Päiviö Tommila (4 August 1931 – 18 November 2022) was a Finnish historian and professor at Helsinki University.
He was assistant at the university of Helsinki 1959-65 and associate professor 1962–67.
Tommila was professor in Finland's history at the University of Turku 1965-76 and professor in Finland's history at Helsinki University 1976–94.
[1][2] He served as rector of the University of Helsinki from 1988 to 1992.
Päiviö Tommila died on 18 November 2022, at the age of 91,[4] in Kauniainen.