Duvall \d(u)-va-ll\ as a boy's name is pronounced doo-VAL. It is of French origin, and the meaning of Duvall is "of the valley". Place name. Actor Robert Duvall. Duvall has 1 variant form: Duval. Baby names that sound like Duvall are Devell and Deval. View a list of the 2 names that reference Duvall.