Surname Hahin (Hahin 
, Хахин 
) , all over the world, is a rare cognomen. The family name Hahin is characteristic of Russia, where it is a rare surname, Kazakhstan, and Malaysia, where it is a very rare surname. In absolute terms, the name is most common in Russia, China, and the United States. Much less frequently, Hahin is the forename as well as the last name.