Last name ขัตติยะวงศ์ (ขัตติยะวงศ์ 
, Kattiyavong 
) , in the entire world, is a rare family name. The last name ขัตติยะวงศ์ is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขัตติยะวงศ์ | Thailand |
| Kattiyavong | Laos, Thailand |