Cognomen Киуа (Киуа 
, Kiua 
, Kyua 
) , globally, is a rare family name. The cognomen Киуа is characteristic of Kenya, where it is a rare surname, Tanzania, where it is a very rare surname, and Malaysia. In absolute terms, this name is the most popular in Kenya, Tanzania, and China. Also, Киуа is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Киуа | Kazakhstan |
| Kiua | Malaysia, Kenya, United States, Tanzania, Brazil |
| Kyua | China, United States, Nigeria, Malaysia |