Iiro Viinanen (born 27 September 1944, in Kuopio, Finland) is a Finnish politician. Viinanen graduated as an engineer from a Tampere institute in 1967 and as a M.Sc. Tech. from Helsinki University of Technology in 1974 . He was a Member of the Finnish Parliament (Eduskunta / Riksdagen) from 1983 to 1996. His political party was National Coalition Party. He served as the Minister of Finance from 1991 to 1996. He was diagnosed with Parkinson's disease in 2000, forcing him to retire.