Cognomen Shaffner (Shaffner 
) , in the entire world, is quite a rare surname. The cognomen Shaffner is habitual in the United States, where it is a rare surname, New Zealand, and Canada. In absolute terms, it is commonest in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
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| Shaffner | Brazil, United Kingdom, Canada, United States, New Zealand |
| caleb shaffner Canadian politician, CA (b. 1845) |
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| henry fries shaffner (b. 1867) |
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| john elvin shaffner Canadian politician, CA (b. 1911) |
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| clyne s. shaffner American researcher and university professor, US (b. 1914) |
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| john shaffner American production designer and art director (b. 1952) |
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| paul shaffner American football player and coach, US (b. 1960) |
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| nick shaffner American game programmer, US |
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| donald h shaffner researcher (ORCID 0000-0001-5530-0746) |
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