Ostrowo [ɔsˈtrɔvɔ] is a village in the administrative district of Gmina Cekcyn, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) east of Cekcyn, 15 km (9 mi) east of Tuchola, and 51 km (32 mi) north of Bydgoszcz.