Cognomen พันสอิ้ง (Thousand 
, พันสอิ้ง) , in the entire world, is a rare family name. The surname พันสอิ้ง is habitual in Costa Rica, where it is a rare surname, Tanzania, and the United States. Not in comparison with a country's population, it most frequently occurs in the United States, Tanzania, and Indonesia. Very seldom, พันสอิ้ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thousand | China, Indonesia, South Africa, United States, Tanzania |