Surname Sauin (Sauin 
) , around the globe, is a very rare cognomen. The last name Sauin is characteristic of Indonesia, where it is a very rare surname, Brazil, where it is an extremely rare surname, and Malaysia. Measured by absolute frequency, it most frequently occurs in Indonesia, Brazil, and India. Also, Sauin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sauin | Indonesia, Brazil, India, Malaysia, United States |