Family name Keoviseth (Keoviseth 
) , in the world, is a rare cognomen. The last name Keoviseth is characteristic of Laos, where it is quite a rare surname, Thailand, where it is an extremely rare surname, and France.
| VARIANT | COUNTRY |
|---|---|
| Keoviseth | France, Laos, United States, Thailand |
Khamsing, and Viengsavanh