Cognomen Кристиани (Cristiani 
, Kristiani 
, Кристиани 
) , in all the world, is a common family name. The surname Кристиани is habitual in Indonesia, where it is quite a rare surname, Italy, and Uruguay. Measured by absolute frequency, it is the most numerous in Indonesia, Italy, and Argentina. Much less frequently, Кристиани is the forename as well as the last name.