In the entire world, Sielo (Cielo 
, Sielo 
) is a common principally female, but very seldom male given name. The forename Sielo is characteristic of Latin America and the Caribbean, particularly Bolivia, where it is quite a common feminine name, Paraguay, where it is quite a rare female name, and Panama. Measured by absolute frequency, it most frequently occurs in Mexico, Philippines, and Colombia. Likewise, Sielo is the last name as well as the forename.