Surname Siwapi (Siwapi 
) , in all the world, is a very rare family name. The surname Siwapi is characteristic of South Africa, where it is a very rare surname, Thailand, where it is an extremely rare surname, and Brazil. Very seldom, Siwapi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siwapi | Brazil, South Africa, Thailand |
Cebisa, Silulami, and Thembalethu