Surname Długajczyk (Długajczyk 
) , all over the world, is a rare family name. The cognomen Długajczyk is habitual in Eastern Europe, particularly Poland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Długajczyk | Poland |
| edward długajczyk Polish historian, PL (b. 1939) |
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| achilles długajczyk PL (b. 1930) |
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