Arūnas Bubnys (born November 7, 1961) is a Lithuanian historian and archivist.
He started his studies at Vilnius University in 1985.
In 1993 he received a Ph.D. for the thesis Lietuvių antinacinė rezistencija 1941–1944 m. (English: Lithuanian Anti-Nazi Resistance 1941-1944).
Currently, he works at the Genocide and Resistance Research Centre of Lithuania and is a member of the International Commission for the Evaluation of the Crimes of the Nazi and Soviet Occupation Regimes in Lithuania.
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