Surname 娉 (娉 
, Sinh 
) , in the world, is a prevalent family name. The last name 娉 is characteristic of India, where it is a common surname, Macao, where it is quite a rare surname, and Vietnam. In absolute terms, the name is most common in India, Vietnam, and China. Much less frequently, 娉 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 娉 | China |
| Sinh | Malaysia, China, India, Vietnam, United States |