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