Cognomen Scalmo (Scalmo 
, Scalma 
, Szelma 
) , in the world, is a very rare last name. The cognomen Scalmo is habitual in Switzerland, where it is a very rare surname, Israel, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Scalmo | Israel |
| Scalma | Israel, Switzerland |
| Szelma | Germany |