Throughout the world, سیلی (Sille 
, سیلی) is a rare mostly female, but uncommonly male first name. The forename سیلی is habitual in Denmark, where it is quite a rare feminine name, Estonia, and the Democratic Republic of the Congo, where it is a rare female name. Measured by absolute frequency, it most frequently occurs in the Democratic Republic of the Congo, Denmark, and India. Also, سیلی is the last name as well as the forename.