Reginaldo

Reginaldo is the Portuguese and Italian variant of the Germanic name Reginald, which derives from elements meaning 'advice' and 'power' or 'ruler.' This masculine name carries a sense of authority and wisdom. In Portuguese-speaking countries like Brazil and Portugal, Reginaldo has maintained consistent popularity throughout the decades. The name often shortens to the nickname 'Regi' or 'Naldo' in casual use. While less common in English-speaking countries, Reginaldo has a distinguished, international flair that crosses cultural boundaries, particularly in Latin communities where it enjoys steady use.

Pronounced reh-hee-NAHL-doh.

As of October 2026, Reginaldo ranked #10441 in US births in 2025 SSA, peaked at #3121 in 1954.