Family name سيانى (Siani 
, Ciani 
, Cianni 
) , all over the world, is a common cognomen. The surname سيانى is characteristic of Italy, where it is quite a common surname, Cameroon, and Israel, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Italy, Cameroon, and Argentina. Very seldom, سيانى is the forename as well as the last name.