Cognomen Viangkaeo (Viangkaeo 
) , in all the world, is an extremely rare family name. The last name Viangkaeo is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, Viangkaeo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Viangkaeo | United States, Thailand |