Family name Eiwi (Eiwi 
) , in all the world, is an extremely rare cognomen. The surname Eiwi is habitual in Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Eiwi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eiwi | United States, Colombia, Malaysia, South Africa |