Cognomen Grittani (Grittani 
) , in all the world, is a rare surname. The last name Grittani is characteristic of Italy, where it is a rare surname, Canada, and Switzerland. Measured by absolute frequency, this name is the most popular in Italy, Canada, and the United States. Much less frequently, Grittani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grittani | Italy, Switzerland, United States, Canada, Venezuela |
| ambrogio grittani (b. 1907) |
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davide grittani Italian journalist, IT (b. 1970) |
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| gabriele maria grittani researcher |
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