Last name Тиберий (Tiberio 
, Tiberius 
, Tiberi 
, along with others...) , all around the world, is a common cognomen. The cognomen Тиберий is habitual in Italy, where it is quite a rare surname, Luxembourg, and Argentina. Measured by absolute frequency, it is the most numerous in Italy, Brazil, and the United States. Also, Тиберий is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tiberio | Romania, Italy, United States, Argentina, Brazil |
| Tiberius | Romania, Italy, Kenya, United States, Brazil |
| Tiberi | Italy, United States, Argentina, France, Brazil |
| Тиберий | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Tiberije, Tiberiy | United States |