Bernardini (surname)  Bernardini is a family name of Italian origin. As of 2014, 72.1% of all known bearers of the surname "Bernardini" were residents of Italy (frequency 1:2,561), 7.8% of France (1:25,728), 7.5% of Brazil (1:82,665), 5.3% of the United States (1:204,559) and 3.9% of Argentina (1:33,341). In Italy, the frequency of the surname was higher than national average (1:2,561) in the following regions: