Family name Januschewski (Januschewski 
) , in all the world, is a rare cognomen. The surname Januschewski is habitual in Germany, where it is a rare surname, Spain, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Januschewski | Germany, Spain, United States |
| edwin januschewski researcher |
|
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| helmut januschewski |
|