Globally, Masii (Masii 
) is a rare largely female, but uncommonly masculine forename. The first name Masii is habitual in Western Asia, particularly Lebanon, where it is a rare feminine name, Kuwait, and United Arab Emirates. Measured by absolute frequency, it is the most numerous in Western Asia, particularly Saudi Arabia, Lebanon, and United Arab Emirates. Also, Masii is the last name as well as the forename.