Last name Janong (Janong 
) , worldwide, is a rare family name. The last name Janong is habitual in Indonesia, where it is a very rare surname, India, and Malaysia, where it is an extremely rare surname. In absolute terms, it is the most numerous in India, Indonesia, and Philippines. Much less frequently, Janong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janong | Indonesia, Philippines, India, Malaysia, United States |