Last name Kasamanyan (Kasamanyan 
) , in the world, is a rare surname. The last name Kasamanyan is habitual in Armenia, where it is a rare surname, Afghanistan, and Germany, where it is an extremely rare surname. Very seldom, Kasamanyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kasamanyan | Germany, Armenia, Spain, United States, Afghanistan |