Cognomen Yannich (Yannich 
) , in the world, is a very rare surname. The surname Yannich is habitual in the United States, where it is an extremely rare surname, Venezuela, and Canada. More prevalently, Yannich is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yannich | France, United States, Democratic Republic of the Congo, Germany, South Africa |
Post, Adlam, Chene, Larsen, Nadine, Magreby, Captain, Buitron, Leliënhof, Allanivani, Bakotila, Bergogne, Tchouamo, Weddington, and Bertoncini