CIAA

• CIA triad
• Cayman Islands Athletic Association
• Central Intercollegiate Athletic Association
• Comisión Investigadora de Accidentes de Aviación
• Commission for the Investigation of Abuse of Authority
• Confederation of Indian Amateur Astronomer Association
• Confederation of the Food and Drink Industries of the EU
• Conference on Implementation and Application of Automata
• Cook Inlet Aquaculture Association
• NCAA Division II
• Office of the Coordinator of Inter-American Affairs