Worldwide, Sanyai (Sanyai 
) is a very rare epicene forename. The first name Sanyai is characteristic of Southern Asia, particularly India, where it is an extremely rare gender-neutral name. More prevalently, Sanyai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sanyai | Thailand, Tanzania, Venezuela, Malaysia, India |