'''Arva, Árva, ARVA or Arvas''' may refer to:
;Current places: * Arva, Ontario, Middlesex Centre, Ontario, Canada * Arva, Iran, a village in Ardabil Province, Iran * Arvagh or Arva, County Cavan, Ireland * Arva River, tributary of the Milcov River in Romania * Orava (region) (Hungarian ''Árva''), in Slovakia and Poland * Aladangady or Arva, Karnataka, India * Arva, village in Valea Călugărească, Prahova, Romania * Arva, village in Broșteni, Vrancea, Romania
;Historical places: * Árva County, Kingdom of Hungary * Arba (Achaea), ancient Greece
;People: * Gábor Árva, Hungarian canoeist * Serhat Arvas, Turkish action movie filmographer * Arva, pseudonym for one of The Kransky Sisters
;Other: * ''Arva'' (moth), a synonym of the moth genus ''Aroa'' * Arva, Marquesan name for Kava, a mild narcotic * Arvas, Norwegian black metal band * Avalanche transceiver, beacon or ARVA
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