Kitnówko is a village in the administrative district of Gmina Świecie nad Osą, within Grudziądz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 5 kilometres (3 mi) south of Świecie nad Osą, 24 km (15 mi) south-east of Grudziądz, and 53 km (33 mi) north-east of Toruń. It is located in Chełmno Land within the historic region of Pomerania.