Surname จสอ. (Choso 
, จสอ. 
) , worldwide, is quite a rare cognomen. The family name จสอ. is habitual in Japan, where it is quite a rare surname, Kenya, where it is a rare surname, and Costa Rica. Not in comparison with a country's population, it is the most numerous in Japan, Kenya, and Peru. Very seldom, จสอ. is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Choso | Peru, Kenya, India, Costa Rica, Japan |
| จสอ. | Thailand |