Family name Difiore (Difiore 
) , in the world, is quite a rare surname. The cognomen Difiore is habitual in the United States, where it is a rare surname, New Zealand, and Italy. Measured by absolute frequency, it is the most numerous in the United States, Italy, and Canada.
| VARIANT | COUNTRY |
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| Difiore | Canada, Italy, France, New Zealand, United States |
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vince difiore American musician, US (b. 1963) |
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| janet difiore American judge; chief judge of New York, US (b. 1955) |
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| john a. difiore physician |
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| dörte difiore researcher |
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| tina difiore researcher (ORCID 0000-0002-8634-4925) |
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| liz difiore New Zealand film producer, NZ |
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| lawrence b. difiore Ph.D. University of California, Riverside 1977 |
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