Cognomen פרגל (Fergal 
, פרגל 
, Pregl 
) , around the globe, is a rare family name. The cognomen פרגל is characteristic of Slovenia, where it is quite a common surname, Austria, where it is a rare surname, and Croatia. Measured by absolute frequency, it most frequently occurs in Slovenia, Morocco, and Austria. More frequently, פרגל is the forename as well as the last name.