Cognomen Rahmanu (Rahmanu 
) , around the world, is a rare family name. The cognomen Rahmanu is habitual in Indonesia, where it is a rare surname, Malaysia, where it is a very rare surname, and Nigeria. Also, Rahmanu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rahmanu | Malaysia, India, United States, Nigeria, Indonesia |