Per-Axel Daniel Rank Arosenius (7 November 1920 – 21 March 1981) was a Swedish film and television actor of mostly supporting parts. His most prominent film role was that of Soviet defector Boris Kusenov in the thriller film Topaz (1969), directed by Alfred Hitchcock.

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After a dispute with the Swedish taxation authorities, Arosenius protested by setting himself on fire outside their office in Nacka. He died, age 60, in the ambulance on the way to the hospital.