Cognomen Szlapak (Szlapak 
) , around the world, is a rare surname. The cognomen Szlapak is habitual in Hungary, where it is a rare surname, Kenya, and Poland, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Kenya, the United States, and Poland. Also, Szlapak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Szlapak | Kenya, Hungary, United States, Poland, Brazil |
| helena szlapak Polish doctor, PL (b. 1898) |
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| motel szlapak holocaust victim, b. 1936, PL (b. 1936) |
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| anna szlapak |
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