Family name Gritto (Gritto 
) , globally, is a rare last name. The last name Gritto is habitual in Italy, where it is a rare surname, Ireland, and Romania. Not in comparison with a country's population, it most frequently occurs in Italy, Romania, and Germany. Much less frequently, Gritto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gritto | Germany, Italy, Ireland, India, Romania |