Seppo Olavi Lindblom (born 9 August 1935, Helsinki) is a Finnish banker and politician from the Social Democratic Party. He is a son of trade unionist Olavi Lindblom. Lindblom was Secretary of State 1968–1970 of Prime Minister Mauno Koivisto, and director of the Labor Movement Economic Research Institute 1970–1972 and a director in the Ministry of Finance of Finland 1973–1974. He became the Minister of Trade and Industry in 1972 and again from 1983 to 1987.