Cognomen ตรีคณา (ตรีคณา 
) , in all the world, is a very rare surname. The cognomen ตรีคณา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ตรีคณา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตรีคณา | Thailand |