Family name Koyawa (Koyawa 
) , throughout the world, is a very rare surname. The last name Koyawa is habitual in Sub-Saharan Africa, particularly Botswana, where it is quite a rare surname, and South Africa, where it is an extremely rare surname. Much less frequently, Koyawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koyawa | Philippines, Botswana, South Africa |