Ćmielów [ˈt͡ɕmʲɛluf] is a town in Ostrowiec County, Świętokrzyskie Voivodeship, Poland, seat of Gmina Ćmielów. It has 3,222 inhabitants (2004). It is known for one of Poland's oldest porcelain factories dating back to 1790. The town history dates back to 14th century. It has several tourist attractions, in addition to its old porcelain factory, including ruins of a 16th-century castle and a church from the same period. Ćmielów belongs to Lesser Poland, and lies on the Kamienna river in the Sandomierz Upland, 10 kilometers east of Ostrowiec Świętokrzyski, along local road nr. 755.