Cognomen Xaykaothao (Xaykaothao 
) , around the world, is an extremely rare family name. The cognomen Xaykaothao is characteristic of Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Xaykaothao | United States |
| doualy xaykaothao American radio journalist, LA |
|