Last name Hilua (Hilua 
) , all over the world, is a very rare cognomen. The cognomen Hilua is characteristic of Peru, where it is an extremely rare surname, Philippines, and Canada. In absolute terms, it is the most numerous in Philippines, the United States, and Peru. Much less frequently, Hilua is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hilua | Philippines, India, Peru, Brazil, United States |