Cognomen Sandecki (Sandecki 
) , in all the world, is a rare surname. The surname Sandecki is habitual in Poland, where it is a rare surname, Norway, where it is a very rare surname, and the United States. In absolute terms, the name is most common in Poland, the United States, and France. Likewise, Sandecki is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sandecki | Poland, Canada, Brazil, France, United States |
| franciszek władysław sandecki painter (b. 1869) |
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| roman sandecki Officer of the Polish Army (b. 1896) |
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| tomasz józef sandecki (b. 1890) |
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| albert edward sandecki US (b. 1935) |
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| jan sandecki (b. 1954) |
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| juliusz sandecki Polish jazz bassist, PL |
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| konrad sandecki |
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