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 | Netherlands, Israel, Indonesia, United States, Germany |
| Crust | Australia, Indonesia, United States, United Kingdom, Germany |
| Korst | Netherlands, Canada, Australia, United States, Germany |
| Crusta | Brazil, United States, Argentina |