Łysakowo [wɨsaˈkɔvɔ] is a village in the administrative district of Gmina Gozdowo, within Sierpc County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) south-east of Gozdowo, 22 km (14 mi) south of Sierpc, and 101 km (63 mi) north-west of Warsaw.