CAAC is an acronym which may refer to the following:
- Cardiff Amateur Athletic Club, a Cardiff based athletics club
- Civil Aviation Administration of China, an administrative body of the People's Republic of China
- Contemporary African Art Collection, a private collection created in 1990 by Italian business man Jean Pigozzi
- Capital Area Activities Conference, a high school sports league centered around Lansing, Michigan
- Central Australian Aboriginal Congress, an Indigenous health services provider in Alice Springs, NT, Australia
- Computer-Aided Algorithmic Composition
- Chinese Athletics Administrative Center, a sporting governing body in China
- Certified Advanced Addiction Counselor