Cognomen Nittolo (Nittolo 
) , around the globe, is a rare last name. The cognomen Nittolo is habitual in Italy, where it is a rare surname, New Zealand, and Canada. Measured by absolute frequency, it is the most numerous in Italy, the United States, and Germany. Much less frequently, Nittolo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nittolo | Germany, Italy, United States, Argentina, Canada |
| claudia nittolo Italian environmental chemist, IT |
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| chazz nittolo American film actor, US |
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