Surname Monahu (Monahu 
) , all over the world, is a very rare cognomen. The cognomen Monahu is habitual in Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Monahu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Monahu | United States, Malaysia, South Africa, India, Australia |