Cognomen Gadner (Gadner 
) , in all the world, is a rare family name. The cognomen Gadner is characteristic of Austria, where it is quite a rare surname, Nicaragua, where it is a rare surname, and Tanzania, where it is a very rare surname. In absolute terms, this name is the most popular in Austria, Tanzania, and Italy. Very seldom, Gadner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gadner | Austria, Italy, Philippines, United States, Tanzania |
| georg gadner German geographer, DE (b. 1522) |
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| helmut gadner AT (b. 1940) |
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| a. gadner Ph.D. Universität Innsbruck 1961 |
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| hermann gadner Austrian cross-country skier, AT |
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