Cognomen Ywi (Ywi 
) , globally, is a very rare last name. The last name Ywi is characteristic of South-eastern Asia, particularly Myanmar, where it is a very rare surname, and Thailand. Also, Ywi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ywi | Brazil, Myanmar, United States, Thailand |