Family name Sitkowski (Sitkowski 
) , in the entire world, is quite a rare last name. The cognomen Sitkowski is characteristic of Poland, where it is quite a rare surname, Australia, where it is a rare surname, and the United States, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Poland, the United States, and Germany. Also, Sitkowski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sitkowski | Germany, United Kingdom, Australia, United States, Poland |
|
antoni sitkowski Inspector of the Polish State Police (b. 1891) |
|
|
wacław sitkowski Polish cardiac surgeon, PL (b. 1924) |
|
|
władysław sitkowski PL (b. 1928) |
|
| roman sitkowski PL (b. 1915) |
|
|
| krzysztof sitkowski Polish basketball player (1935-1988), PL (b. 1935) |
|
|
| andrzej sitkowski PL (b. 1928) |
|
|
| wiesław sitkowski researcher |
|
|
| jerzy sitkowski researcher ORCID ID = 0000-0002-9962-6024 |
|