Family name Tratta (Tratta 
) , in the world, is a rare cognomen. The family name Tratta is habitual in Italy, where it is a rare surname, the United States, where it is an extremely rare surname, and Venezuela. Very seldom, Tratta is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tratta | India, Italy, United States, Venezuela |