Cognomen แซ่ยั่ง (Surname 
, แซ่ยั่ง) , around the globe, is a rare family name. The cognomen แซ่ยั่ง is habitual in Northern Europe, particularly Estonia, where it is quite a rare surname, Latvia, and Lithuania. Not in comparison with a country's population, it is commonest in Uzbekistan, Lithuania, and Latvia. Much less frequently, แซ่ยั่ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Surname | Australia, Uzbekistan, Lithuania, India, Latvia |