Cognomen Blanca Yohana (Blanca Yohana 
) , in the entire world, is an extremely rare surname. The cognomen Blanca Yohana is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Blanca Yohana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blanca Yohana | Colombia, Peru, Chile, Ecuador |