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