Family name Iechika (Iechika 
, Мимура 
) , in all the world, is a rare last name. The surname Iechika is characteristic of Japan, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Japan, Brazil, and Russia. Very seldom, Iechika is the forename as well as the last name.