Last name Posiano (Posiano 
) , worldwide, is a rare family name. The family name Posiano is habitual in Tanzania, where it is a rare surname, Uganda, and Australia, where it is a very rare surname. Likewise, Posiano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Posiano | Australia, Uganda, United States, Tanzania, Brazil |
| paulo posiano Fijian footballer, FJ (b. 1988) |
|