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