Family name Difazio (Difazio 
) , across the world, is a rare cognomen. The cognomen Difazio is characteristic of Italy, where it is a rare surname, the United States, and Canada. Very seldom, Difazio is the forename as well as the last name.
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| Difazio | United Kingdom, Italy, Australia, United States, Canada |
| william difazio American sociologist (b. 1947) |
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| rachel l difazio researcher ORCID ID = 0000-0001-8559-1281 |
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| robert m difazio researcher |
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| matthew r difazio researcher |
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| stephen p difazio researcher |
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| marc p difazio researcher |
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