Cognomen 乙燕 (乙燕 
) , in all the world, is a very rare last name. The surname 乙燕 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 乙燕 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 乙燕 | China |