Cognomen Aupkaeo (Aupkaeo 
) , across the world, is a very rare family name. The surname Aupkaeo is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Aupkaeo | Thailand |
Sichan, Tiamta, Watsana, Thaweeporn, and Chetsadarin