Cognomen Gniazdo (Gniazdo 
) , throughout the world, is a very rare last name. The surname Gniazdo is habitual in Denmark, where it is a rare surname, Poland, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Gniazdo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gniazdo | Poland, Denmark, Brazil, United States |
| chaja gniazdo holocaust victim, b. 1933, PL (b. 1933) |
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| tajba gniazdo holocaust victim, b. 1936, PL (b. 1936) |
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| minia gniazdo holocaust victim, b. 1938, PL (b. 1938) |
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