Surname Zusin (Zusin 
, Зусин 
) , all around the world, is a rare last name. The surname Zusin is characteristic of Israel, where it is a rare surname, Denmark, and Belarus, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Israel, and Poland. Much less frequently, Zusin is the forename as well as the last name.