Save Gender Masculine Usage Portuguese (Brazilian), Portuguese (African) Pronounced Pron. /ˌvaw.de.ˈmi.ɾu/(Brazilian Portuguese) /ˌvaɫ.dɨ.ˈmi.ɾu/(African Portuguese) [key·simplify] Other Forms FormsWaldemiro Meaning & History Portuguese form of Waldemar. Also compare Valdomiro. A known bearer of this name is the Brazilian evangelical pastor Valdemiro Santiago (b. 1963).