Last name Kubasiak (Kubasiak 
) , around the world, is a rare surname. The family name Kubasiak is habitual in Poland, where it is quite a rare surname, Estonia, where it is a rare surname, and Denmark. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and France. Also, Kubasiak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kubasiak | Poland, France, United States, Denmark, Germany |
|
roman kubasiak soldier of the Polish Army, CZ (b. 1897) |
|
| piotr kubasiak DE |
|