Last name Sarnain (Sarnain 
) , worldwide, is a rare surname. The surname Sarnain is characteristic of Mauritius, where it is quite a rare surname, Indonesia, where it is a very rare surname, and France. Much less frequently, Sarnain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sarnain | India, Indonesia, France, Mauritius |