Family name Radjy (Radjy 
) , across the world, is a very rare cognomen. The cognomen Radjy is habitual in Switzerland, where it is a rare surname, France, where it is an extremely rare surname, and the United States. Measured by absolute frequency, the name is most common in India, Switzerland, and the United States. Also, Radjy is the forename as well as the last name.