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