Throughout the world, マサイチ (Masaichi 
, マサイチ ) is a very rare principally boy's, but scarcely female given name. The forename マサイチ is characteristic of the United States, where it is an extremely rare primarily male, but very infrequently female name, and China, where it is an extremely rare boy's name. More prevalently, マサイチ is the last name as well as the forename.