Surname Леони (Leonie 
, Leone , Leoni ) , in all the world, is a widespread last name. The surname Леони is characteristic of Italy, where it is a common surname, Sierra Leone, where it is quite a common surname, and Guadeloupe (explore the name in all countries). In absolute terms, the name is most common in Italy, the United States, and Brazil. Also, Леони is the forename as well as the last name.