Cognomen Welponer (Welponer 
) , worldwide, is a rare surname. The family name Welponer is characteristic of Italy, where it is a rare surname, Germany, where it is a very rare surname, and Argentina. Much less frequently, Welponer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Welponer | Brazil, Argentina, Italy, Germany |
| pietro welponer (b. 1821) |
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| egidij welponer physician, IT (b. 1849) |
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| paul welponer IT (b. 1850) |
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| karin welponer IT (b. 1941) |
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| hannah welponer researcher (ORCID 0000-0002-5950-6693) |
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