Januszno [jaˈnuʂnɔ] is a village in the administrative district of Gmina Pionki, within Radom County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) east of Pionki, 27 km (17 mi) north-east of Radom, and 88 km (55 mi) south-east of Warsaw.