Cognomen 古斯 (Guth 
, Goose , 古斯 
) , around the world, is a common family name. The cognomen 古斯 is characteristic of Western Europe, particularly Germany, where it is quite a rare surname, Belgium, and Netherlands. Not in comparison with a country's population, it is commonest in Germany, the United States, and France. Much less frequently, 古斯 is the forename as well as the last name.