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