Family name Radiba (Radiba 
) , all over the world, is an extremely rare cognomen. The cognomen Radiba is habitual in Sub-Saharan Africa, particularly South Africa, where it is an extremely rare surname. More frequently, Radiba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Radiba | India, United States, Brazil, South Africa |