He full name on the letter is fine. If she is married you could add Signora in front, if she is single Signorina. Example: Signorina Maria Antonellli or just Maria Antonelli.
signora // Sig.ra abbreviated
Signorina is an Italian word that translates to "miss" or "young lady" in English. It is used as a respectful way to address an unmarried woman or a girl.
There is a great deal of confusion as to how to address a letter to an assembly woman in office. The proper salutation would be Dear Honorable and then their name.
Frau
when writting a business letter to a woman with a hyfanated name do you use both names
The way to address an Italian gentleman begins with the word Signore ("Sir") in Italian.
Para a Sra... (Mistress) Para a Srta. (Miss)
"Single woman" in English is nubile in Italian.
"Strong woman" in English is virago in Italian.
"Lucky woman!" in English is Donna fortunata! in Italian.
a married Italian woman the answers in the question Signora or Madame. As in the English Mrs. or Madam.
You could write "Dear Sirs and Madam" in a business letter, or you could write "Dear Friends" in an informal letter.