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Throughout the world, Kasein (Касеин
, Kasein
, Caseus
) is a very rare primarily boy's, but very seldom female first name. The forename Kasein is habitual in Central Asia, particularly Kyrgyzstan, where it is a rare masculine name, and Kazakhstan. Also, Kasein is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Касеин | Russia, Kyrgyzstan, Kazakhstan |
| Kasein | India, Thailand, Argentina, United States |
| Caseus | United States, Dominican Republic, Philippines, Canada, Brazil |