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