Cielo is relatively common in Spanish-speaking countries, including Spain and nations in Latin America. It is less common in non-Spanish-speaking countries.

The name carries a celestial connotation, aligning with the trend of names that reference the heavens, like Luna (moon), Estrella (star), or Sol (sun). The name Cielo can also be found in various place names and businesses throughout Spanish-speaking countries.

Cielo García - A Spanish actress known for her role in the 2019 movie "Elisa y Marcela." Cielo Latini - An Argentine writer and blogger who gained fame with her autobiographical book "Abzurdah," which was later adapted into a movie.