Cognomen Gelert (Gelert 
, Гелерт 
) , throughout the world, is a rare last name. The cognomen Gelert is habitual in Poland, where it is a rare surname, Norway, and Kazakhstan. Measured by absolute frequency, it most frequently occurs in Poland, the United States, and Kazakhstan. Also, Gelert is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gelert | Norway, United States, Germany, Poland, Denmark |
| Гелерт | Kazakhstan, Russia, Ukraine |
| saint gelert Celtic saint, GB (b. 601) |
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johannes gelert Danish-American sculptor (1852-1923), US (b. 1852) |
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| otto christian leonor gelert Danish botanist (1862-1899), DE (b. 1862) |
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elżbieta gelert Polish politician, PL (b. 1955) |
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