Wykowo [vɨˈkɔvɔ] is a village in the administrative district of Gmina Słupno, within Płock County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) south of Słupno, 13 km (8 mi) south-east of Płock, and 84 km (52 mi) west of Warsaw.