Cognomen Rahmatu (Rahmatu 
) , in the entire world, is quite a rare family name. The surname Rahmatu is habitual in Nigeria, where it is quite a rare surname, Ghana, where it is a rare surname, and Indonesia, where it is a very rare surname. Likewise, Rahmatu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rahmatu | Indonesia, Malaysia, Ghana, Nigeria, India |
| nizar dg. rahmatu Indonesian politician (born 1974 in Palu), ID (b. 1974) |
|