Cieńsza [ˈt͡ɕɛɲʂa] is a village in the administrative district of Gmina Zatory, within Pułtusk County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) north of Zatory, 11 km (7 mi) south-east of Pułtusk, and 51 km (32 mi) north of Warsaw.