Last name Tjaka (Tjaka 
) , in the world, is a rare family name. The surname Tjaka is habitual in South Africa, where it is a rare surname, Indonesia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Very seldom, Tjaka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tjaka | Germany, Indonesia, Netherlands, South Africa |
Mosiuoa, Johannes, and Nthabiseng