In the entire world, Krass (كراس 
, Krass 
, Crassus 
) is quite a rare dominantly boy's, but seldom female first name. The forename Krass is habitual in Algeria, where it is quite a rare largely masculine, but seldom feminine name, Egypt, where it is a rare dominantly male, but seldom girly name, and Kuwait, where it is a rare boy's name. In absolute terms, this name is the most popular in Egypt, Algeria, and India. Also, Krass is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| كراس | Algeria, Yemen, Egypt, Kuwait |
| Krass | Estonia, France, Egypt, Germany, United States |
| Crassus | Brazil, France, Venezuela, Germany, United States |
| Красс | Ukraine, Belarus, Kazakhstan, Russia |