Last name Junichi (Junichi 
, ジュンイチ , Йуничи 
) , across the world, is a common surname. The family name Junichi is habitual in Japan, where it is quite a common surname, Singapore, where it is a rare surname, and Belgium. Measured by absolute frequency, the name is most common in Japan, China, and Indonesia. Much less frequently, Junichi is the forename as well as the last name.