CIE

CIE may refer to:

Organizations

• Cambridge International Examinations, an international examination board
• Center for International Education at the University of Massachusetts-Amherst
• Cleveland Institute of Electronics, a private technical and engineering educational institution
• International Commission on Illumination (Commission internationale de l'éclairage)
• Companion of the Order of the Indian Empire (C.I.E.)
• Computability in Europe, an international organization of computability theorists, computer scientists, mathematicians
• CIÉ (Córas Iompair Éireann), the Irish state transport authority
• Council on Islamic Education
• Transportes Aéreos Cielos Andinos, ICAO code: CIE
• Civil Information and Education Section (CIE), General Headquarters, the Supreme Commander for the Allied Powers in Japan (1945–1952)

Science and technology

• CIE 1931 color space, one of the first mathematically defined color spaces, created by the International Commission on Illumination (CIE) in 1931
• Clasificación Internacional de Enfermedades, Spanish for International Classification of Diseases
• Commercial Information Exchange, a real estate database for commercial properties, similar to a residential Multiple Listing Service (MLS)
• Computer Interrupt Equipment, a form of discrete interrupt controller in Ferranti computers
• Congenital ichthyosiform erythroderma, a skin disease
• Control and Indicating Equipment
• Carbon Isotope Excursion, a rapid release of carbon to the ocean or atmosphere.

Other uses

• Corpus Inscriptionum Etruscarum, the known body of Etruscan inscriptions
• C^ie, the abbreviation for the French compagnie ("company")