Throughout the world, Gaisa (Гайса 
, Gaisa 
, Гаиса 
) is quite a rare unisex forename. The given name Gaisa is habitual in Azerbaijan, where it is quite a rare masculine name, Kazakhstan, and Russia, where it is a rare principally male, but scarcely female name. Measured by absolute frequency, it is commonest in Russia, India, and Kazakhstan. Very seldom, Gaisa is the last name as well as the forename.