Family name Tammaya (Tammaya 
) , all over the world, is a very rare cognomen. The cognomen Tammaya is habitual in Thailand, where it is a very rare surname, Philippines, and India, where it is an extremely rare surname. Likewise, Tammaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tammaya | India, United States, Thailand, Philippines |