Family name Štil (Stiel , Štil , Штил ) , throughout the world, is quite a rare surname. The surname Štil is habitual in Western Europe, particularly Germany, where it is quite a rare surname, Austria, where it is a rare surname, and Netherlands. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Iraq. Much less frequently, Štil is the forename as well as the last name.