Family name Keopaseut (Keopaseut 
) , worldwide, is a rare cognomen. The surname Keopaseut is habitual in Laos, where it is a rare surname, France, where it is an extremely rare surname, and the United States. Much less frequently, Keopaseut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keopaseut | Laos, Thailand, France, United States, Argentina |