Cognomen Galzain (Galzain 
) , globally, is a rare family name. The family name Galzain is habitual in France, where it is a rare surname, Poland, where it is a very rare surname, and Belgium.
| VARIANT | COUNTRY |
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| Galzain | United Kingdom, Belgium, Poland, United States, France |
| jean françois léopold galzain French official (1796-1868), FR (b. 1796) |
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| michel de galzain French journalist (1918-1994), FR (b. 1918) |
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| grégoire de galzain French racing driver, FR (b. 1971) |
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| antoine de galzain French journalist, FR |
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| anne de galzain FR |
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| eudes de galzain |
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