Surname Гаст (Gust 
, Gast , Гаст 
) , across the world, is a common family name. The family name Гаст is habitual in Western Europe, particularly Germany, where it is quite a common surname, Netherlands, where it is quite a rare surname, and Luxembourg. In absolute terms, it most frequently occurs in Germany, the United States, and Netherlands. Much less frequently, Гаст is the forename as well as the last name.