Last name Сараин (Sarain 
, Sarayn 
, Сараин 
) , all over the world, is quite a rare surname. The surname Сараин is characteristic of Mexico, where it is a rare surname, Switzerland, and Italy. Not in comparison with a country's population, it is the most numerous in Mexico, Italy, and Philippines. Also, Сараин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sarain | Italy, Philippines, Mexico, Switzerland, India |
| Sarayn | Venezuela, Mexico, India, United States |
| Сараин | Russia, Ukraine |