Family name Yerain (Yerain 
) , in the entire world, is a very rare last name. The surname Yerain is characteristic of Myanmar, where it is a very rare surname, Venezuela, and Mexico, where it is an extremely rare surname. Much less frequently, Yerain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yerain | Mexico, United States, Argentina, Myanmar, Venezuela |