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