Who named Italy?

The origin of the term Italia, from Latin: Italia, is uncertain. According to one of the more common explanations, the term was borrowed through Greek from the Oscan Víteliú, meaning "land of young cattle" (cf. Lat vitulus "calf", Umb vitlo "calf"). The bull was a symbol of the southern Italian tribes and was often depicted goring the Roman wolf as a defiant symbol of free Italy during the Samnite Wars.

The name Italia originally applied only to a part of what is now Southern Italy-according to Antiochus of Syracuse, the southern portion of the Bruttium peninsula (modern Calabria). But by his time Oenotria and Italy had become synonymous, and the name also applied to most of Lucania as well. The Greeks gradually came to apply the name "Italia" to a larger region, but it was not until the time of the Roman conquests that the term was expanded to cover the entire peninsula

Now this answer defines the term "Professional Research".

Regards,

Susan Janes.