Last name グラス (Grasse 
, Glass , Grass , among others...) , across the world, is a common cognomen. The surname グラス is habitual in Guernsey, where it is quite a common surname, Germany, and Austria (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in the United States, Germany, and the United Kingdom. Very seldom, グラス is the forename as well as the last name.