Surname Asarain (Asarain 
) , throughout the world, is a very rare family name. The family name Asarain is habitual in Philippines, where it is a very rare surname, Mexico, where it is an extremely rare surname, and India. Likewise, Asarain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Asarain | Mexico, Philippines, India |