Surname Jannier (Jannier 
) , in all the world, is a rare family name. The surname Jannier is habitual in France, where it is a rare surname, Nicaragua, and Honduras, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in France, Nicaragua, and Colombia. Also, Jannier is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jannier | Peru, Colombia, France, Nicaragua, Afghanistan |