Meaning and Name Origin
Reginaldo has 1 variant: Reginauld.
Reginaldo has 35 more alternative forms via Reginald: Naldo, Raghnall, Rainault, Rainhold, Raonull, Raynald, Rayniero, Reg, Reggie▼, Reggy, Regin, Reginalt, Reginault, Regino, Reginvald, Reginvalt, Regnauld, Regnault, Reinald, Reinaldo▼, Reinaldos, Reinhold▼, Reinold, Reinwald, Renato, Renaud, Renault, Rene▼, Reynaldo▼, Reynaldos, Reynold▼, Reynolds, Rheinallt, Rinaldo and Ronald▼.
Reginaldo is an uncommon given name for males but a somewhat popular surname for all people (#79271 out of 88799, Top 89%). (2000 U.S. Census)
Below is a charted analysis of the popularity of Reginaldo and related names. Prominent varying forms of Reginaldo (#unlisted) are Ronald (#397 a year ago), Rene (#796), Reginald (#805), Reynaldo, Reynold, Reinhold, Reinaldo and Reggie. Adoption of these boy names reached its apex during 1960-1969 and has become significantly less since, with forms like Reginald, Rene, Ronald, Reynaldo and Reynold falling out of fashion. (Top 1000 Baby Names Records, 2014)