Family name Erain (Erain 
) , around the world, is a rare surname. The family name Erain is characteristic of Egypt, where it is a very rare surname, Malaysia, and Mexico. Likewise, Erain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erain | Egypt, Malaysia, Mexico, United States, India |
| maelisa mac gillco erain Irish priest |
|