Surname Piorun (Piorun 
, פיורון 
) , all around the world, is a rare cognomen. The cognomen Piorun is habitual in Poland, where it is quite a rare surname, Argentina, where it is a very rare surname, and Israel. In absolute terms, this name is the most popular in Poland, the United States, and France. More prevalently, Piorun is the forename as well as the last name.
| wojciech piorun (b. 1900) |
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kacper piorun Polish chess grandmaster, PL (b. 1991) |
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| marek piorun PL (b. 1950) |
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| mary piorun researcher |
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| carolin piorun DE (b. 1990) |
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