Cognomen Zarn (Zarn 
, Зарн) , worldwide, is a rare family name. The cognomen Zarn is characteristic of Liechtenstein, where it is quite a rare surname, Slovenia, and Switzerland, where it is a rare surname. In absolute terms, it is the most numerous in the United States, Slovenia, and Switzerland. Much less frequently, Zarn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zarn | Canada, Myanmar, Switzerland, United States, Slovenia |
| jakob a. zarn CH (b. 1878) |
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| george zarn (b. 1914) |
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| tim de zarn American actor, US (b. 1952) |
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| marius zarn Swiss footballer, CH (b. 1978) |
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| jürg zarn researcher |
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