Op de Vrouweheide (English: On the Vrouweheide) is a windmill located on the Vrouwenheide just south of Ubachsberg, Voerendaal, in the Dutch province of Limburg. Build in 1858 as a tower mill, on an artificial hill, the windmill functioned as a gristmill. The mill is a national monument (nr 37893) since 17 January 1967.