Last name 千晶 (Chiaki 
, 千晶 ) , all around the world, is quite a rare cognomen. The surname 千晶 is characteristic of Taiwan, where it is a rare surname, Japan, and Malaysia, where it is a very rare surname. In absolute terms, it is the most numerous in Japan, China, and Indonesia. More frequently, 千晶 is the forename as well as the last name.