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