Last name Haizen (Haizen 
) , in the entire world, is a very rare cognomen. The surname Haizen is habitual in Singapore, where it is a rare surname, Tanzania, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, this name is the most popular in Tanzania, Singapore, and the United States. Much less frequently, Haizen is the forename as well as the last name.