Surname 牙湾 (牙湾 
) , around the globe, is a very rare family name. The last name 牙湾 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. Much more frequently, 牙湾 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 牙湾 | China |