Surname Хинхин (Xinxin 
, Khinkhin 
, Hinhin 
) , around the world, is quite a rare last name. The family name Хинхин is characteristic of Myanmar, where it is quite a rare surname, Taiwan, where it is a rare surname, and Hong Kong. In absolute terms, it is the most numerous in Myanmar, China, and Taiwan. Much more prevalently, Хинхин is the forename as well as the last name.