Pertti Kullervo Paasio (2 April 1939 – 4 April 2020) was a Finnish politician. He was a member of the Social Democratic Party. He was born in Helsinki. Paasio became member of the Parliament in July 1975, however, he lost the seat in the 1979 parliamentary elections. In 1982 he replaced Jacob Söderman in the Parliament and held the seat until he was elected into the European Parliament in 1996.