Family name Kotza (Kotza 
) , all over the world, is a rare surname. The last name Kotza is characteristic of Greece, where it is quite a rare surname, Germany, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Greece, Germany, and the United States. Very seldom, Kotza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kotza | Greece, United States, Germany, South Africa |