Surname Knefel (Knefel 
) , globally, is a rare cognomen. The last name Knefel is characteristic of Germany, where it is a rare surname, Poland, and France, where it is a very rare surname. Measured by absolute frequency, it is commonest in Germany, the United States, and Poland. Also, Knefel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Knefel | Germany, Indonesia, United States, Poland, France |
| ernst knefel DE (b. 1783) |
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| matthias knefel researcher |
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| heinrich knefel DE |
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