Surname Галлетти (Galletti 
, Галлетти 
) , all over the world, is a common cognomen. The last name Галлетти is characteristic of Italy, where it is quite a common surname, Argentina, where it is quite a rare surname, and Switzerland. In absolute terms, the name is most common in Italy, Argentina, and Brazil. Very seldom, Галлетти is the forename as well as the last name.