Family name ซ่ง (Song 
, Soang 
, ซ่ง) , globally, is a prevalent cognomen. The last name ซ่ง is characteristic of China, where it is a common surname, Cayman Islands, and Bermuda (explore the name in all countries). In absolute terms, it is the most numerous in China, Malaysia, and the United States. Very seldom, ซ่ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Song | United States, South Korea, Indonesia, Malaysia, China |
| Soang | Myanmar, United States, Indonesia, Malaysia, China |