Konrad Hallgren

Konrad Hallgren in the 1920s. The propaganda poster on the wall reads "death to communism" in Swedish.

Konrad Otto Kristian Hallgren (9 April 1891 – 8 August 1962) was a Swedish party chairman in Sweden's first fascist organization, Sveriges Fascistiska Kamporganisation (SFKO, "Sweden's Fascist Combat-Organization").

Hallgren was born in Landskrona. He served in the German army during World War I. He claimed to have been in the White Russian army of General Pyotr Wrangel during the Russian Civil War, but his war record has been contested. and changed its name into Fascist People's Party of Sweden and then Sveriges Nationalsocialistiska Folkparti (SNFP, "Sweden's National Socialist People's Party"). Other members of SFKO/SNFP was the Swedish army officer Sven Hedengren and the infamous Swedish national socialist-leader and army corporal Sven-Olov Lindholm (who would later lead his own national socialist party which would become the biggest of the national socialist groups in Sweden during the 1930s–1940s). He later became an archivist working in Stockholm.

Hallgren died in Stockholm.