Family name Huayllaccahua (Huayllaccahua 
) , across the world, is a rare surname. The surname Huayllaccahua is habitual in Latin America and the Caribbean, particularly Peru, where it is a rare surname, and Chile, where it is an extremely rare surname. Much less frequently, Huayllaccahua is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Huayllaccahua | Chile, Peru |