Surname Uniejewski (Uniejewski 
) , across the world, is a rare last name. The cognomen Uniejewski is habitual in Poland, where it is a rare surname, the United States, where it is a very rare surname, and Germany, where it is an extremely rare surname. Also, Uniejewski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uniejewski | United States, Poland, United Kingdom, Germany |
|
mieczysław uniejewski Sub-lieutenant of the Polish Navy, PL (b. 1918) |
|
| andrzej uniejewski Polish architect, PL (b. 1908) |
|