Cognomen Яросвет (Яросвет 
) , worldwide, is an extremely rare surname. The cognomen Яросвет is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname. More prevalently, Яросвет is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Яросвет | Russia |
Легкодымов, Ростоцкий, and Гребенщиков