Jacob-Magnus (Jacob) Söderman (born 19 March 1938) is a Finnish politician. He has been a Member of Parliament since September 2007 until 2011 (and earlier in 1972-1982). Söderman is a member of Social Democratic Party of Finland.
He was Minister of Justice (In October 1971), 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). He was born in Helsinki, Finland.