Family name Кошчина (Koscina 
, Кошчина) , all over the world, is a very rare last name. The family name Кошчина is characteristic of Chile, where it is a rare surname, Venezuela, where it is an extremely rare surname, and the United Kingdom. In absolute terms, the name is most common in Chile, the United States, and the United Kingdom. Very seldom, Кошчина is the forename as well as the last name.