Around the world, Шига (Shiga 
, Naoja , Шига 
) is quite a rare epicene given name. The first name Шига is characteristic of Japan, where it is a rare boy's name, Nigeria, where it is a rare dominantly male, but uncommonly girly name, and India, where it is a very rare gender-neutral name. Also, Шига is the last name as well as the forename.