Cognomen Юнлонг (Юнлонг 
) , all over the world, is an extremely rare family name. The surname Юнлонг is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname. Predominantly, Юнлонг is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Юнлонг | Russia |