Family name Cheir (Cado 
, Cheir 
, เชียร์ 
) , throughout the world, is quite a rare last name. The last name Cheir is habitual in Bosnia and Herzegovina, where it is quite a rare surname, France, and Philippines, where it is a rare surname. Measured by absolute frequency, it is the most numerous in France, Philippines, and Brazil. Very seldom, Cheir is the forename as well as the last name.