Raniero \r(a)-nie-ro\ as a boy's name is a variant of Raynor (Old German), and the meaning of Raniero is "deciding warrior".

The baby name Raniero sounds like Ranier, Ranieri and Rayniero. Other similar baby names are Lanier, Rainier, Raynier, Ramiro, Ranger, Renier, Rogiero and Tanier.