KOSTEWICZ
There are 32 known people with the surname KOSTEWICZ with 27 different first names. The surname KOSTEWICZ is particularly common in Pennsylvania and Florida Here you can find the geographic distribution of this nachname in all states:
| 1 | CONNECTICUT | 1 | CONNECTICUT | 1 |
| 1 | FLORIDA | 6 | FLORIDA | 6 |
| 1 | ILLINOIS | 5 | ILLINOIS | 5 |
| 1 | OHIO | 2 | OHIO | 2 |
| 1 | PENNSYLVANIA | 19 | PENNSYLVANIA | 19 |