In the entire world, Erw (Erw 
) is a rare principally boy's, but very seldom feminine forename. The forename Erw is habitual in Sub-Saharan Africa, particularly Nigeria, where it is a very rare principally male, but scarcely girly name. Also, Erw is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Erw | Nigeria, Taiwan, China, Indonesia, Myanmar |