Family name Blaszkowski (Blaszkowski 
) , in the entire world, is a rare last name. The last name Blaszkowski is habitual in Poland, where it is a rare surname, Germany, and France. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and Germany. More prevalently, Blaszkowski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blaszkowski | Germany, France, Brazil, Poland, United States |