Cognomen Steffelin (Steffelin 
) , throughout the world, is a very rare last name. The cognomen Steffelin is habitual in Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Steffelin | United States, Germany |
| johann jakob steffelin German jurist, DE (b. 1754) |
|
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| eugen steffelin DE (b. 1877) |
|