Last name Kauna (Kauna 
) , in the entire world, is quite a rare cognomen. The last name Kauna is habitual in Namibia, where it is quite a common surname, Papua New Guinea, where it is quite a rare surname, and Nigeria. Likewise, Kauna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kauna | Papua New Guinea, Namibia, Nigeria, Kenya, Zambia |