Cognomen Fiduccia (Fiduccia 
) , globally, is a rare last name. The family name Fiduccia is characteristic of Italy, where it is a rare surname, Austria, and the United States, where it is a very rare surname. Much less frequently, Fiduccia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fiduccia | Germany, Austria, Italy, United States, Argentina |
| barbara waxman fiduccia American disability activist, author, and educator (b. 1955) |
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| charles m. fiduccia Sc.D. Brown University 1973 |
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