Ostrowina [ɔstrɔˈvina] (German: Ostrowine, 29 November 1935 Werden) is a village in the administrative district of Gmina Oleśnica, within Oleśnica County, Lower Silesian Voivodeship, in south-western Poland. Prior to 1945 it was in Germany. It lies approximately 15 kilometres (9 mi) north-east of Oleśnica and 39 km (24 mi) north-east of the regional capital Wrocław.