The Rockingham Pottery was a 19th-century manufacturer of porcelain of international repute, supplying fine wares and ornamental pieces to royalty and the aristocracy in Britain and overseas, as well as manufacturing porcelain and earthenware items for ordinary use. What is often called "Rockingham-glazed" pottery or "Rockingham ware" was widely produced in Britain and the United States in the 19th century, earthenware with a thick brown ceramic glaze, in a style associated with the earlier 18th-century production.