Family name Knuppel (Knuppel 
) , around the globe, is a rare last name. The last name Knuppel is characteristic of Switzerland, where it is a rare surname, Denmark, and Netherlands. In absolute terms, the name is most common in the United States, Brazil, and Switzerland. Much less frequently, Knuppel is the forename as well as the last name.
| august knuppel American politician, DE (b. 1857) |
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| john linebaugh knuppel American politician, US (b. 1923) |
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| bernd knuppel olympic sailor from Uruguay, UY (b. 1962) |
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