Worldwide, Scalco (Scalco 
, Skalk 
) is a rare principally male, but very seldom girly first name. The given name Scalco is habitual in Italy, where it is a rare largely male, but uncommonly female name, and South Africa, where it is a rare male name. Much more frequently, Scalco is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Scalco | South Africa, Italy, United States, Argentina, Brazil |
| Skalk | Sweden, Canada, South Africa, United States |