Carl Olof (Ole, C.O.) Frietsch (24 March 1901 – 19 August 1973) was the Finnish Consul General and the MP from the Swedish People's Party. Frietsch was born in Prague, Czechoslovakia. His parents were Karl Gustaf Frietsch, a qualified engineer, and Eva Lönnblad. He graduated in 1920 and then studied at the Kiel University, where he graduated as a doctoral student in 1926. Frietsch was also served as the Secretary of the Kontorsvärlden newspaper in 1933–1935 and as editor-in-chief from 1935 to 1937 and editor in chief of Vi och vårt 1937–1945.