Surname 瞳龙 (瞳龙 
) , throughout the world, is a very rare cognomen. The family name 瞳龙 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 瞳龙 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 瞳龙 | China |