Family name Cahuana (Cahuana 
) , in all the world, is a common last name. The cognomen Cahuana is habitual in Latin America and the Caribbean, particularly Peru, where it is quite a common surname, Bolivia, and Colombia, where it is quite a rare surname. Very seldom, Cahuana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cahuana | Brazil, Bolivia, Colombia, United States, Peru |
| judith cahuana aparco researcher, PE |
|