Last name อรุญญา (อรุญญา 
) , in the entire world, is an extremely rare cognomen. The family name อรุญญา is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, อรุญญา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อรุญญา | Thailand |