Cognomen Posia (Posia 
, Пося 
) , in the entire world, is a rare last name. The last name Posia is characteristic of Philippines, where it is a very rare surname, Ukraine, and Russia. Very seldom, Posia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Posia | Philippines, Brazil, India, United States, South Africa |
| Пося | Russia, Ukraine |