Due to the diaspora, it is also very common in other countries such as Argentina, Brazil, Canada, France, Switzerland, the United States and Uruguay.
Rossi is the plural of Rosso (meaning "red (haired)", in Italian).
Recorded variations (in alphabetical order): De Rossi, De Rubeis, De Russi, De Russo, Del Rossi, Del Rosso, Della Rossa, DeRossi, Di Rosso, Di Russo, La Russa, Larussa, Lo Russo, Lorusso, Rossa, Rossato, Rosselini, Rosselino, Rosselli, Rossello, Rossetti, Rossetto, Rossillo, Rossini, Rossit, Rossitti, Rossitto, Rosso, Rossoni, Rossotto, Roussini, Rubiu, Ruggiu, Ruiu, Ruju, Russa, Russello, Russetti, Russi, Russiani, Russino, Russo, and Russotti.
[2] As of 2014, 63.2% of all known bearers of the surname Rossi were residents of Italy (frequency 1:176), 13.2% of Brazil (1:2,807), 6.7% of the United States (1:9,854), 6.3% of Argentina (1:1,240) and 3.5% of France (1:3,492).
In Italy, the frequency of the surname was higher than national average (1:176) in the following regions: In Argentina, the frequency of the surname was higher than national average (1:1,240) in the following provinces: In Uruguay, the frequency of the surname was higher than national average (1:1,333) in the following departments: In Finland, the frequency of the surname was higher than national average (1:2,251) in the following regions: In Brazil, the frequency of the surname was higher than national average (1:2,807) in the following states:[3]