Last name ขนาด (Khanat 
, ขนาด 
, Siize) , around the world, is quite a rare family name. The cognomen ขนาด is habitual in Mongolia, where it is quite a rare surname, Zambia, and Lebanon, where it is a rare surname. Measured by absolute frequency, it is the most numerous in India, Zambia, and the Democratic Republic of the Congo. Likewise, ขนาด is the forename as well as the last name.