Tarnowiec [tarˈnɔvjɛt͡s] is a village in the administrative district of Gmina Lubsza, within Brzeg County, Opole Voivodeship, in south-western Poland. It lies approximately 10 kilometres (6 mi) east of Lubsza, 13 km (8 mi) north-east of Brzeg, and 35 km (22 mi) north-west of the regional capital Opole.