Surname Sanyai (Sanyai 
) , worldwide, is a rare cognomen. The family name Sanyai is characteristic of Tanzania, where it is a very rare surname, Thailand, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Thailand, Tanzania, and India. Very seldom, Sanyai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanyai | Tanzania, Malaysia, Thailand, Venezuela, India |