Cognomen Slotnicki (Slotnicki 
) , worldwide, is a rare surname. The family name Slotnicki is characteristic of Brazil, where it is a very rare surname, and Germany, where it is an extremely rare surname. Much less frequently, Slotnicki is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Slotnicki | Brazil, Germany, Poland |