In the entire world, Shikako (Shikako 
) is a rare principally feminine, but very infrequently male given name. The first name Shikako is habitual in Japan, where it is a rare female name, India, where it is an extremely rare gender-neutral name, and China, where it is an extremely rare male name. Much less frequently, Shikako is the last name as well as the forename.