Cognomen Janhis (Janhis 
) , in the world, is an extremely rare last name. The surname Janhis is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Much more frequently, Janhis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Janhis | Venezuela, Brazil, Peru, Democratic Republic of the Congo |