Radzicz [ˈrad͡ʑit͡ʂ] is a village in rural Gmina Sadki, within Nakło County, Kuyavian-Pomeranian Voivodeship, in north-central Poland.

The area formed part of Poland since the establishment of the state in the 10th century.

Radzicz was a private village of Polish nobility, administratively located in the Nakło County in the Kalisz Voivodeship in the Greater Poland Province of the Kingdom of Poland.

[2] The village was annexed by Prussia in the late-18th-century Partitions of Poland, and was also part of Germany from 1871.

Following World War I, Poland regained independence and control of the village.