Cognomen Jankem (Jankem 
) , in all the world, is a very rare last name. The last name Jankem is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Jankem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jankem | Thailand, Philippines |
| poommanus jankem (b. 1989) |
|