Family name Serna Caro (Serna Caro 
) , in the entire world, is a very rare surname. The family name Serna Caro is habitual in Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Ecuador, and Chile, where it is an extremely rare surname. In absolute terms, the name is most common in Latin America and the Caribbean, particularly Colombia, Ecuador, and Mexico.
| VARIANT | COUNTRY |
|---|---|
| Serna Caro | Ecuador, Chile, Mexico, Colombia |