Surname Kalmansohn (Kalmansohn 
) , around the world, is a very rare family name. The cognomen Kalmansohn is habitual in Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kalmansohn | United States |
| mark e. kalmansohn American lawyer, US (b. 1953) |
|