Cognomen Jaermann (Jaermann 
) , in all the world, is a very rare surname. The last name Jaermann is habitual in Switzerland, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Jaermann is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaermann | Switzerland, United States |
| claude jaermann Swiss cartoonist and journalist, CH (b. 1958) |
|