Radlin [ˈradlʲin] is a town in Wodzisław County, Silesian Voivodeship, Poland, with 17,776 inhabitants (2019).

Located in southern part of the Voivodeship, close to the Czech border, between 1975 and 1997,[2] Radlin was a district of the city of Wodzisław Śląski.

First mention of the settlement of Biertułtowy (which now makes the center of Radlin) comes from 1305, as Bertholdi villa.

In the 19th century, Radlin was one of the biggest villages of the Rybnik County of the Kingdom of Prussia.

Like other locations of Upper Silesia, it grew in the 19th century, when several enterprises were opened there – Coal Mine Marcel, Coke Plant Radlin.