ASSR may refer to:
Politics Autonomous Soviet Socialist Republics of the Soviet Union Armenian Soviet Socialist Republic, now Armenia (generally abbreviated ArmSSR) Azerbaijan Soviet Socialist Republic, now Azerbaijan (generally abbreviated AzSSR)
Other Akademikerförbundet SSR, a Swedish trade union of professional workers Auditory steady-state response, a steady-state evoked potential of the brainstem in response to auditory stimuli Archivio storico del Senato della Repubblica, Italian parliamentary archive (generally abbreviated ASSR) Archives de sciences sociales des religions, a French academic journal about religion (generally abbreviated ASSR)