Last name Jaanis (Jaanis 
) , all around the world, is a very rare cognomen. The family name Jaanis is characteristic of Estonia, where it is quite a rare surname, and Mexico, where it is an extremely rare surname. More prevalently, Jaanis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaanis | Estonia, Mexico, United States, Latvia, Slovenia |
| johannes jaanis Estonian politician (1889-1958), EE (b. 1889) |
|