Osiny [ɔˈɕinɨ] is a village in the administrative district of Gmina Mirzec, within Starachowice County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 7 kilometres (4 mi) north of Mirzec, 16 km (10 mi) north of Starachowice, and 48 km (30 mi) north-east of the regional capital Kielce.