Radziejów is a town located in the Kuyavian-Pomeranian Voivodeship of Poland. It serves as the capital of Radziejów County and is situated in the historic region of Kuyavia, approximately 45 km (28 mi) south of Toruń.
The town has a population of 5,006 as of 2024. Historically, the area near Radziejów was the site of the Battle of Płowce in 1331.