Worldwide, Katrein (Katrein 
) is a very rare female first name. The first name Katrein is habitual in Germany, where it is a very rare female name, and South Africa. Likewise, Katrein is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Katrein | Germany, South Africa, United States, France, Brazil |
| katrein frenzel German actress, DE (b. 1974) |
|