Family name Karss (Karss 
) , around the globe, is a very rare last name. The cognomen Karss is characteristic of Morocco, where it is a very rare surname, Germany, where it is an extremely rare surname, and the United Kingdom. In absolute terms, it most frequently occurs in Morocco, Germany, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Karss | Germany, Morocco, United States, India, United Kingdom |