The Virolainen cabinet was the 49th government of Finland. The cabinet existed from 12 September 1964 to 27 May 1966. It was a majority government whose Prime Minister was Johannes Virolainen. It was preceded by the Lehto cabinet.
Virolainen's cabinet made many political reforms. It instituted the purchase tax law, the new language law, the development area law and founded universities in the eastern and northern parts of the country. The cabinet had economical problems and had to raise both the road and fuel taxes.