Family name Cudos (Cudos 
) , all around the world, is a rare cognomen. The surname Cudos is characteristic of Argentina, where it is a rare surname, Spain, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Argentina, Spain, and the United States. Very seldom, Cudos is the forename as well as the last name.