Ciel (meaning heaven or sky in French) or CIEL may refer to:
People Ciel (Canadian DJ), a Canadian DJ and electronic musician
Companies and organizations Ciel (beverage) a bottled water brand owned by The Coca-Cola Company Ciel (company), developer of the visual novel After... CIEL-FM, radio station in Quebec, Canada. Ciel Satellite Group CIEL UK, Le Centre International d'Etudes Liturgiques-UK Center for International Environmental Law
Fiction Ciel: The Last Autumn Story, a fantasy manhwa by Rhim Ju-yeon Ciel, a character in the visual novel, anime and manga Tsukihime, as well as the game Melty Blood Ciel, a character in the Mega Man Zero games Ciel Phantomhive, the main character in the manga and anime Black Butler Ciel Sousa, a character in Sophie Labelle's webcomic Assigned Male and the spinoff novel Ciel Ciel City, a place in Little Airplane Wissie, early development version of Super Wings Ciel, a character from Elsword
Other uses Ciel (footballer), Brazilian professional footballer Ciel, Saône-et-Loire, a former commune of the department of Saône-et-Loire in France Cadillac Ciel, an American full-size convertible concept car Ciel, a tincture in heraldry also called bleu celeste or celeste (sky-blue)