Surname Chusan (Chusan 
, Чусан 
) , globally, is a rare last name. The last name Chusan is habitual in Israel, where it is a rare surname, Ecuador, where it is a very rare surname, and Thailand. Measured by absolute frequency, it most frequently occurs in Thailand, the United States, and Russia. More frequently, Chusan is the forename as well as the last name.