In all the world, 徐炎 (徐炎 
) is a very rare male forename. The first name 徐炎 is characteristic of Eastern Asia, particularly China, where it is an extremely rare boy's name. Very seldom, 徐炎 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 徐炎 | China |