Gualtiero \gu(a)-ltie-ro, gual-tiero\ as a boy's name is a variant of Gauthier (Teutonic) and Walter (Old German), and the meaning of Gualtiero is "strong ruler; commander of the army".

The baby name Gualtiero sounds like Gualterio and Galtero. Other similar baby names are Gautier, Gaultier and Guntero.