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