Janówka [jaˈnufka] is a village in the administrative district of Gmina Byczyna, within Kluczbork County, Opole Voivodeship, in south-western Poland. It lies approximately 12 kilometres (7 mi) west of Byczyna, 22 km (14 mi) north-west of Kluczbork, and 55 km (34 mi) north of the regional capital Opole.