Reinaldo \re(i)-nal-do, rein(a)-ldo\ as a boy's name is a variant of Reginald (Latin) and Reynold, and the meaning of Reinaldo is "ruler's advisor".

The baby name Reinaldo sounds like Rinaldo, Reynaldo, Reinaldos, Reinald and Renaldo. Other similar baby names are Reginaldo, Reynaldos, Reinwald, Reinold, Reynardo, Renardo, Reynald, Renado, Raynaldo and Ronaldo.