Around the world, Oust (Oster 
, Ost , Уст 
) is a rare largely masculine, but infrequently feminine given name. The first name Oust is characteristic of the Democratic Republic of the Congo, where it is a rare male name, Austria, and Tanzania, where it is a very rare feminine name. Not in comparison with a country's population, it most frequently occurs in China, the Democratic Republic of the Congo, and Indonesia. Predominantly, Oust is the last name as well as the forename.