Globally, Gengis (Gengis 
) is a rare boy's given name. The forename Gengis is habitual in Greece, where it is a rare masculine name, Peru, where it is a very rare boy's name, and Mexico, where it is a very rare predominantly boy's, but scarcely feminine name. Measured by absolute frequency, it is the most numerous in Mexico, France, and Peru. Very seldom, Gengis is the last name as well as the forename.