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