Janowo is a village in the administrative district of Gmina Iłowo-Osada, within Działdowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 2 kilometres (1 mi) north of Iłowo-Osada, 10 km (6 mi) south-east of Działdowo, and 68 km (42 mi) south of the regional capital Olsztyn.