Family name Tonelly (Tonelly 
) , around the world, is a very rare last name. The last name Tonelly is habitual in Chile, where it is a very rare surname, Brazil, where it is an extremely rare surname, and the United States. Much less frequently, Tonelly is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tonelly | Spain, Brazil, Chile, United States |