- CAIS stands for Common APSE (Ada Programming Support Environment) Interface Set
- CAIS stands for California Association of Independent Schools
- CAIS stands for Cold Air Induction System (vehicles)
- CAIS stands for Canadian Agricultural Income Stabilization (Canada)
- CAIS stands for Centro de Atendimento a Incidentes de Segurança (Portugese)
- CAIS stands for Canadian Agricultural Income Stabilization Program (also seen as CAISP)
- CAIS stands for Chinese-American International School (San Francisco, California)
- CAIS stands for Circle of Ancient Iranian Studies (School of Oriental & African Studies)
- CAIS stands for Complete Androgen Insensitivity Syndrome
- CAIS stands for Central American Integration System (various nations)
- CAIS stands for Canadian Association for Information Science (Edmonton, Alberta, Canada)
- CAIS stands for Communications of the Association for Information Systems
- CAIS stands for Centre for Australian Indigenous Studies (Monash University, Australia)
- CAIS stands for Connecticut Association of Independent Schools (Mystic, Connecticut)
- CAIS stands for Canadian Association for Irish Studies (Montreal, Canada)
- CAIS stands for Centre for Advanced Information Systems
- CAIS stands for Center for Applied Isotope Studies (University of Georgia, Athens, Georgia)
- CAIS stands for Credit Account Information Sharing (Experian)
- CAIS stands for Chemical Agent Identification Set
- CAIS stands for Collaborative Asynchronous Inspection of Software
- CAIS stands for Caribbean Agricultural Information Service
- CAIS stands for Centre for Advanced Instrumentation Systems
- CAIS stands for Common Airborne Instrumentation System
- CAIS stands for Canadian Agricultural Income Support
- CAIS stands for Círculo de Apoio à Integração Dos Sem-Abrigo (Portugal)
- CAIS stands for Christian Alliance International School
- CAIS stands for Certified Agricultural Irrigation Specialist
- CAIS stands for Centre for Arab and Iranian Studies
- CAIS stands for Cartilage Autograft Implantation System
- CAIS stands for Center for American Intercultural Studies
- CAIS stands for Comprehensive Airman Information System
- CAIS stands for Comparative Anatomy Information System
- CAIS stands for Canadian Association for Interoperable Systems
- CAIS stands for Collocated Automatic Intercept System
- CAIS stands for Concordia Administrative Information System (Lutheran Church Missouri Synod)
- CAIS stands for Center for Advanced Intelligent Systems (Texas Tech University, Lubbock, Texas)
- CAIS stands for Campus Advanced Information System (University of Nevada, Reno, Nevada)
- CAIS stands for Computer-Aided Instructional System
- CAIS stands for Combat Air Intelligence Systems (US DoD)
- CAIS stands for Central Assessment Information System
- CAIS stands for Commercial Activities Inventory System
- CAIS stands for Communicative Arts and Integrative Studies
- CAIS stands for Computer-Aided Integrated Systems Laboratory
- CAIS stands for Centre for Archive Information Studies
- CAIS stands for Corporate Administrative Information System
- CAIS stands for Correctional Assessment and Intervention System
- CAIS stands for Computer-Aided Instrumentation Support System
CAIS