Jaakko Paavolainen (23 July 1927, Kanneljärvi – 30 October 2007, Helsinki), was a Finnish historian, PhD 1966.
He became professor in history at the University of Turku 1986-1989.
Jaakko Paavolainen published his much noticed results about the red terror and white terror during the Finnish civil war in three volumes and has also published a biography of Väinö Tanner (4 parts, 1977–89).
His boyhood memories från Carelia he pictures in Lapsuus Kanneljärvellä (1982) and the life of his cousin Olavi Paavolainen in a 1992 published volume.
Jaakko Paavolainen is the son of Erkki Paavolainen and the father of Pentti Paavolainen (b.
1953), professor in arts research at Teaterhögskolan.