Family name Kooa (Kooa 
) , throughout the world, is a very rare cognomen. The last name Kooa is habitual in Sudan, where it is a rare surname, Israel, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Much less frequently, Kooa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kooa | Sudan, Israel, United States, China, South Africa |