Cognomen Wadner (Wadner 
) , globally, is a rare last name. The surname Wadner is habitual in Sweden, where it is a rare surname, the Dominican Republic, and Greece, where it is a very rare surname. In absolute terms, it most frequently occurs in Sweden, the United Kingdom, and Brazil. More frequently, Wadner is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wadner | Brazil, Haiti, Dominican Republic, Sweden, United States |
|
martin wadner SE (b. 1889) |
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tyra wadner SE (b. 1891) |
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gunnel wadner Swedish actress (1921-2008), SE (b. 1921) |
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| aina wadner SE (b. 1899) |
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| britt wadner Swedish actress (1915-1987), SE (b. 1915) |
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