Jacob-Magnus (Jacob) Söderman (born 19 March 1938 in Helsinki, Finland) is a Finnish politician who served as Finnish Member of Parliament in 1972–1982 and again in 2007–2011.

Söderman is a member of the Social Democratic Party of Finland and served as Minister of Justice (in October 1971),[1] Minister of Social Affairs and Health (1982), governor of Uusimaa Province (1982–89), Parliamentary Ombudsman of Finland (1989–95) and the first European Ombudsman (1995–2003).

[2] Söderman returned to the Parliament in Autumn 2007 when MP Tuula Haatainen resigned in order to become a deputy city manager of Helsinki.

Söderman was the president of the Council for Mass Media in Finland in 2003–2005, a member of the board of the University of Helsinki 2004–2006 and member of the Group of Wise Persons 2005–2006.