Surname Amaju (Amaju 
) , all around the world, is a rare cognomen. The surname Amaju is characteristic of Nigeria, where it is a rare surname, the United States, where it is an extremely rare surname, and India. Likewise, Amaju is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amaju | United Kingdom, India, Nigeria, United States |