Family name Regolo (Regolo 
) , all around the world, is a rare last name. The cognomen Regolo is habitual in Italy, where it is a rare surname, Argentina, and Switzerland. Not in comparison with a country's population, the name is most common in Italy, Argentina, and France. Also, Regolo is the forename as well as the last name.
| lucio livineio regolo Ancient Roman politician, praetor before 42 BC, IT (b. 105) |
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marco atilio regolo Roman consul 267 BC, IT (b. 299) |
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| marco atilio regolo praetor in 213 BC, IT (b. 250) |
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| luciano regolo Italian journalist and writer (1966-), IT (b. 1966) |
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| michele regolo Italian yacht racer, IT (b. 1978) |
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| lucio livineio regolo triumvir monetalis 42 BC, IT |
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