Last name เจ้าสัว (Magnat 
, เจ้าสัว, Magnate) , all around the world, is quite a rare cognomen. The family name เจ้าสัว is characteristic of France, where it is quite a rare surname, Greece, where it is a very rare surname, and Argentina. Measured by absolute frequency, it most frequently occurs in France, Argentina, and Russia. Very seldom, เจ้าสัว is the forename as well as the last name.