Allan Wallenius (13 December 1890 – 15 September 1942) was a Swedish-speaking Finnish leftist figure and journalist from Turku.

He was active in leftist circles in Finland, Sweden and the United States before settling in the Soviet Union in 1930.

[3] He had a brother, Paul, who would participate in the civil war in Finland being part of the Whites and died in Tampere in March 1918.

[4] He published articles concerning his escape and illegal entry to Sweden in the leftist youth magazine Stormklockan based in Stockholm and in the newspaper Folkets Dagblad Politiken.

[8] He was arrested by the NKVD (People's Commissariat for Internal Affairs) on 16 February 1938 and was sentenced to five years in prison.

[2] Wallenius married his long-term fiancée Alice Rosenblad in March 1919, and in December of the same year their son, Aiwest, was born.

[2] Edith Rudquist contributed to the activities of the Scandinavian Workers League and died in the Soviet Union in 1943.

[2] Annvi Gardberg and Matias Kaihovirta published Wallenius's biography in Swedish language in October 2022.