Worldwide, Omei (Omei 
) is quite a rare mostly male, but uncommonly girly first name. The first name Omei is habitual in Japan, where it is a rare boy's name, Nigeria, where it is a very rare boy's name, and India, where it is a very rare principally girly, but very infrequently boy's name. Very seldom, Omei is the last name as well as the forename.