Family name Jamanis (Jamanis 
) , in the world, is a rare cognomen. The family name Jamanis is characteristic of Latvia, where it is a rare surname, India, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. In absolute terms, it is the most numerous in India, Latvia, and the United States. Much less frequently, Jamanis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jamanis | United States, India, Latvia, Malaysia |