Family name Amkhao (Amkhao 
) , in all the world, is a very rare cognomen. The cognomen Amkhao is habitual in Morocco, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Also, Amkhao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amkhao | Morocco, India, Thailand |