Massacre of Ostrówki refers to the mass murder of the Polish inhabitants of the Volhynian village of Ostrówki, located during the interbellum in the gmina Hushcha, Liuboml (Polish: Huszcza, Luboml), Volhynian Voivodeship of the Second Polish Republic, now known as Ostrowky, located in the Manevychi Raion of Volyn, Ukraine. On 30 August 1943, armed members of the Ukrainian Insurgent Army (UIA) murdered 438 Poles.