Ustroń (German: Ustron) is a health resort town in Cieszyn Silesia, southern Poland. It is situated in the Silesian Voivodeship (since 1999), having previously been in Bielsko-Biała Voivodeship (1975–1998). It lies in the Silesian Beskids mountain range. It is the home of the Jan Jarocki Museum, which was founded in April 1986 as Museum of Metallurgy. It is housed in an old building of the former Klemens Steel Works, which was in use between 1772 and 1897. The museum collects technical tools, as well as historical and ethnographic artifacts. The Równica and Czantoria mountains are nearby and hikable from the town center.
