Cognomen לטו (Leto 
, לטו 
, Lettow 
) , around the world, is a common surname. The last name לטו is habitual in Southern Europe, particularly Bosnia and Herzegovina, where it is quite a rare surname, Italy, and Croatia. Measured by absolute frequency, it most frequently occurs in Italy, the United States, and Germany. Much less frequently, לטו is the forename as well as the last name.