Hanna Kohonen (née Johanna Rönkkö; 11 October 1885 – 22 February 1944) was a female Social Democratic Party of Finland politician.
Kohonen was the editor of the Finnish-language newspaper Vapaus (not to be confused with the Finnish-Canadian newspaper Vapaus) in Petrograd in 1922 and taught the history of the Communist Party at the Communist University of the National Minorities of the West from 1923 to 1927.
In 1932, the Kohonens moved to Petrozavodsk, in the Karelian ASSR, where her husband Jalo Kohonen worked as a researcher at a scientific research institute and Hanna Kohonen was the chairman of the trade union committee of the Kustannusosuusliike Kirja publishers' union and from 1935, the librarian of the central library in Petrozavodsk.
Kohonen was arrested on December 23, 1937, accused of counter-revolutionary nationalist activity.
She was sentenced to ten years in prison and was sent to the Karaganda Corrective Labor Camp in the Kazakh Soviet Socialist Republic, where she died in 1944.