Krzyżanówka [kʂɨʐaˈnufka] is a village in the administrative district of Gmina Sienno, within Lipsko County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) west of Sienno, 18 km (11 mi) south-west of Lipsko, and 130 km (81 mi) south of Warsaw.