Last name Kerua (Kerua 
) , in all the world, is a rare family name. The cognomen Kerua is habitual in Papua New Guinea, where it is quite a rare surname, Indonesia, where it is a very rare surname, and New Zealand. In absolute terms, it is the most numerous in Papua New Guinea, Indonesia, and India. Very seldom, Kerua is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kerua | Australia, India, Indonesia, Papua New Guinea, Nigeria |