Family name Rewaldo (Rewaldo 
) , across the world, is an extremely rare cognomen. The family name Rewaldo is habitual in Latin America and the Caribbean, particularly Argentina, where it is an extremely rare surname. Much more frequently, Rewaldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rewaldo | South Africa, Philippines, Argentina, Brazil, United States |