Radzyń County is a unit of territorial administration and local government (powiat) in Lublin Voivodeship, eastern Poland. It was established on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and only town is Radzyń Podlaski, which lies 60 km north of the regional capital Lublin. The county covers an area of 965.21 km2. As of 2019, its total population is 59,057, including a population of 15,709 in Radzyń Podlaski and a rural population of 43,348.

Neighbouring counties

Radzyń County is bordered by Biała County to the north-east, Parczew County to the south-east, Lubartów County to the south and Łuków County to the north-west.

Administrative division

The county is subdivided into eight gminas (one urban and seven rural). These are listed in the following table, in descending order of population.