Family name Ribeiro De Castro (Ribeiro De Castro 
) , globally, is a very rare last name. The last name Ribeiro De Castro is characteristic of Portugal, where it is a rare surname, France, where it is a very rare surname, and Chile, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in France, Portugal, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Ribeiro De Castro | Brazil, Germany, France, Portugal, Spain |