Cognomen โสมย์ (So 
, โสมย์ 
) , worldwide, is a widespread family name. The surname โสมย์ is habitual in Hong Kong, where it is a widespread surname, British Virgin Islands, where it is a common surname, and Cayman Islands (explore the name in all countries). In absolute terms, it most frequently occurs in Hong Kong, Egypt, and China. Likewise, โสมย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| So | China, Egypt, Hong Kong, Taiwan, Myanmar |
| โสมย์ | Thailand |