Giusti is an Italian surname.

Source:[2] Broken down by Giusti and de Giusti.

As of 2014, 61.8% of all known bearers of the surname Giusti were residents of Italy (frequency 1:2,776), 13.8% of Brazil (1:41,500), 7.6% of the United States (1:133,747), 6.9% of Argentina (1:17,375) and 4.4% of France (1:42,362).

In Italy, the frequency of the surname was higher than the national average (1:2,776) in the following regions:[5] As of 2014, 71.3% of all known bearers of the surname de Giusti were residents of Italy (frequency 1:75,409), 16.5% of Argentina (1:227,359), 3.7% of Brazil (1:5,097,008), 2.5% of France (1:2,372,240), 2.0% of Venezuela (1:1,313,221), 1.9% of Australia (1:1,227,077), 1.1% of Canada (1:3,070,466), and 0.3% of United States (1:120,819,644).

In Italy, the frequency of the surname was higher than the national average (1:75,409) in the following regions:[6]