Last name 碧娥 (碧娥 
) , all around the world, is a rare cognomen. The cognomen 碧娥 is habitual in Eastern Asia, particularly China, where it is a very rare surname. More prevalently, 碧娥 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 碧娥 | China |