CETS
CETS stands for:
- Council of Europe Treaty Series (dt .: collection of the Euro Europe agreements ), publication series of international treaties Council of Europe, see European Treaty
- Conférence Européenne des Télécommunications par Satellites , from 1963 to 1970 existing European intergovernmental conference on satellite issues
- Child Exploitation Tracking System , computer program from Microsoft for the police search for child pornography