Arvo Viljanti

Arvo Kunto Viljanti (until 1935 named Viklund, 24 August 1900 in Parainen — 6 July 1974) was a Finnish historian.

Viljanti had earned a PhD and from 1962 worked as a professor at the University of Åbo. He was specialized in Swedish–Finnish military history of the 16th and 17th centuries.