Cognomen Флок (Flock 
, Флок 
) , worldwide, is quite a rare family name. The last name Флок is habitual in Germany, where it is quite a rare surname, Austria, where it is a rare surname, and Norway. Not in comparison with a country's population, it most frequently occurs in the United States, Germany, and France.
| VARIANT | COUNTRY |
|---|---|
| Flock | Germany, Japan, France, United States, Austria |
| Флок | Russia, Ukraine |