Surname Aouychai (Aouychai 
) , in the entire world, is an extremely rare cognomen. Much more prevalently, Aouychai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aouychai | Thailand |
Tubsuri, Seanpuchum, Paengsap, Wongnasri, and Suwannasri