Throughout the world, Crusta (Kors 
, Crust 
, Korst 
) is a rare principally boy's, but very seldom girly given name. The given name Crusta is habitual in Israel, where it is a rare male name, Netherlands, and Germany, where it is a very rare male name. In absolute terms, it is the most numerous in Israel, Netherlands, and India. More frequently, Crusta is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kors | United States, Indonesia, Germany, Israel, Netherlands |
| Crust | Australia, United Kingdom, United States, Indonesia, Germany |
| Korst | Australia, United States, Netherlands, Germany, Canada |
| Crusta | Brazil, Argentina, United States |