Family name Mananu (Mananu 
) , in the world, is a rare surname. The surname Mananu is characteristic of Ghana, where it is a rare surname, New Zealand, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Ghana, New Zealand, and India. More prevalently, Mananu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mananu | Australia, Ghana, Nigeria, India, New Zealand |