Cognomen Horua (Horua 
) , around the world, is a very rare surname. The surname Horua is habitual in Australia and New Zealand, particularly New Zealand, where it is a rare surname, and Australia, where it is a very rare surname. Much less frequently, Horua is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Horua | India, New Zealand, Australia |