Last name Suwanga (Suwanga 
) , in the world, is a very rare surname. The cognomen Suwanga is habitual in Philippines, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Very seldom, Suwanga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suwanga | Philippines, South Africa, Nigeria |