Family name Antonowski (Antonowski 
) , in all the world, is a very rare last name. The family name Antonowski is habitual in Israel, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. More prevalently, Antonowski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Antonowski | United States, Israel, Poland, Brazil |