Cognomen Rengadu (Rengadu 
) , all around the world, is a very rare family name. The family name Rengadu is habitual in South Africa, where it is a very rare surname, and India, where it is an extremely rare surname. Very seldom, Rengadu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rengadu | India, South Africa |