Męczenino [mɛnt͡ʂɛˈninɔ] is a village in the administrative district of Gmina Radzanowo, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) west of Radzanowo, 11 km (7 mi) north-east of Płock, and 90 km (56 mi) north-west of Warsaw.