Family name Петрони (Petroni 
, Петрони) , in all the world, is quite a common cognomen. The surname Петрони is habitual in Malta, where it is quite a common surname, Italy, where it is quite a rare surname, and Argentina. In absolute terms, it is commonest in Italy, Brazil, and Argentina. Very seldom, Петрони is the forename as well as the last name.