Płonkówko [pwɔŋˈkufkɔ] is a village in the administrative district of Gmina Rojewo, within Inowrocław County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 1 kilometre (1 mi) east of Rojewo, 12 km (7 mi) north of Inowrocław, 27 km (17 mi) south-west of Toruń, and 31 km (19 mi) south-east of Bydgoszcz.