Last name Järmann (Ерман 
, Järmann 
, جارمان) , in all the world, is a rare family name. The last name Järmann is habitual in Belarus, where it is a rare surname, Kazakhstan, and Switzerland. Not in comparison with a country's population, this name is the most popular in Russia, Kazakhstan, and Belarus. More prevalently, Järmann is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ерман | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| Järmann | Germany, Switzerland, United States |
|
rolf järmann Swiss cyclist, CH (b. 1966) |
|