Cognomen Bolec (Bolz 
, Bolec 
) , throughout the world, is a common surname. The surname Bolec is habitual in Western Europe, particularly Germany, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Austria, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Switzerland. Very seldom, Bolec is the forename as well as the last name.