Last name Ситти (Siddhi 
, Citti 
, Ситти) , all over the world, is quite a common family name. The family name Ситти is characteristic of Italy, where it is quite a rare surname, Nepal, and Switzerland, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in India, Italy, and Nepal. More frequently, Ситти is the forename as well as the last name.