Throughout the world, Янлонг (Janlong 
, Янлонг 
, Ianlong 
) is a very rare male first name. The forename Янлонг is habitual in Nigeria, where it is an extremely rare masculine name, and India. Likewise, Янлонг is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Janlong | Nigeria, India, Thailand |
| Янлонг | Russia |
| Ianlong | Cambodia, United States, China |