Carl Olof Tallgren (28 January 1927 – 16 June 2024) was a Finnish politician who served as the minister of finance between 1970 and 1971.

[3] Following graduation Tallgren was employed as an ombudsman at the Åboland Municipal Association in 1952 and worked there for ten years until 1962.

[2] Tallgren was appointed the minister of finance in Ahti Karjalainen's second cabinet on 15 July 1970, and his term lasted until 29 October 1971.

[1] He succeeded Kristian Gestrin in 1974 as chairman of the Swedish People's Party of Finland which he held until 1977 when Pär Stenbäck took over the post.

[2] Following his retirement from politics he was named as managing director of the Art Society Association, and his term lasted until 1991.