Cognomen Tseo (ซอ 
, Tseo 
) , in all the world, is a rare last name. The family name Tseo is characteristic of Georgia, where it is quite a common surname, Thailand, where it is a rare surname, and South Africa, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Georgia, Thailand, and the United States. More prevalently, Tseo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ซอ | Thailand |
| Tseo | South Africa, Georgia, United States, Botswana, China |