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