Throughout the world, Allegretto (Allegretto 
) is a very rare predominantly boy's, but scarcely female given name. The first name Allegretto is characteristic of Southern Europe, particularly Italy, where it is a very rare boy's name. Much more frequently, Allegretto is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Allegretto | Canada, Brazil, Italy, United States, Argentina |