Ostrowo [ɔsˈtrɔvɔ] is a village in the administrative district of Gmina Gniewkowo, within Inowrocław County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 6 kilometres (4 mi) south of Gniewkowo, 11 km (7 mi) north-east of Inowrocław, 26 km (16 mi) south-west of Toruń, and 40 km (25 mi) south-east of Bydgoszcz.