CIAA

CIAA may refer to the:

• Central Intercollegiate Athletic Association, a U.S. athletic conference competing in NCAA Division II
• Confederation of the Food and Drink Industries of the EU, a European trade organization
• Confederation of Indian Amateur Astronomer Association, a conglomeration of amateur astronomers and amateur astronomy associations from India
• Conference on Implementation and Application of Automata, an international academic conference in computer science
• Cook Inlet Aquaculture Association a non-profit organization that works to promote sustainable salmon fishing in Alaska
• Coordinator of Inter-American Affairs, the head of the U.S. government's Office of Inter-American Affairs
• Cayman Islands Airports Authority, the operator of the three airports in that country