Krysiaki [krɨˈɕaki] is a village in the administrative district of Gmina Myszyniec, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 10 kilometres (6 mi) north-east of Myszyniec, 42 km (26 mi) north of Ostrołęka, and 139 km (86 mi) north of Warsaw.