Last name Poselskaia (Poselskaia 
, Поселская 
) , around the world, is a very rare cognomen. The surname Poselskaia is characteristic of Georgia, where it is a very rare surname, and Russia. Much less frequently, Poselskaia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poselskaia | Georgia, China |
| Поселская | Russia |