Family name Potoczki (Potoczki 
) , worldwide, is a rare last name. The cognomen Potoczki is habitual in Hungary, where it is quite a rare surname, Germany, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Potoczki | Germany, Hungary, United States |
| jan antoni de potoczki RO (b. 1759) |
|