All around the world, マナイ (Manaj 
, マナイ 
) is a common primarily male, but very infrequently girly forename. The first name マナイ is characteristic of India, where it is a rare primarily boy's, but very infrequently girly name, Nigeria, where it is a rare male name, and Saudi Arabia. In absolute terms, it is commonest in India, Nigeria, and Bangladesh. Very seldom, マナイ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Manaj | Albania, Poland, Pakistan, India, Nigeria |
| マナイ | Japan |