Family name Yãwãi (Yãwãi 
) , in all the world, is a very rare last name. The cognomen Yãwãi is habitual in South-eastern Asia, particularly Myanmar, where it is a very rare surname. Also, Yãwãi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yãwãi | Myanmar |