- CAI stands for Community Associations Institute
- CAI stands for Computer Aided Instruction
- CAI stands for Computer Assisted Instruction
- CAI stands for Cold Air Intake (automotive)
- CAI stands for Club Alpino Italiano
- CAI stands for Center for Academic Integrity
- CAI stands for Centro de Atención Integral (Spanish: Comprehensive Care Center; various locations)
- CAI stands for Computer-Aided Instruction
- CAI stands for Central Asia Institute
- CAI stands for Casinos Austria International (Austria)
- CAI stands for Confederation of Aerial Industries (UK)
- CAI stands for Contemporary Art Institute (various locations)
- CAI stands for Cognitive Artificial Intelligence (various locations)
- CAI stands for Compagnia Aerea Italiana (Italian: Italian Airline)
- CAI stands for Codon Adaptation Index (genetics)
- CAI stands for Computer Assisted Intervention
- CAI stands for Clean Air Initiative
- CAI stands for Curriculum, Assessment and Instruction
- CAI stands for Central American Indian (language)
- CAI stands for Central Apnea Index
- CAI stands for Common Air Interface (CT2 standard)
- CAI stands for Certified Auctioneers Institute
- CAI stands for Controlled Auto-Ignition
- CAI stands for Cold Air Induction
- CAI stands for Contrat d’Accueil et d’Intégration (French: Reception and Integration Contract; French Office for Immigration and Integration)
- CAI stands for Citi Alternative Investments (various locations)
- CAI stands for Case Identification
- CAI stands for Corporate Accountability International
- CAI stands for Credit Agricole Indosuez
- CAI stands for Community Anchor Institution
- CAI stands for Computer-Aided Inspection
- CAI stands for Compression After Impact
- CAI stands for Carbonic Anhydrase Inhibitor
- CAI stands for Computer Aided Innovation
- CAI stands for Centrale Antenne Inrichting (Dutch TV/Radio antenna company)
- CAI stands for Commissione per le Adozioni Internazionali (Italian institute for international adoption)
- CAI stands for Canadian Automotive Institute (Canada)
- CAI stands for Container Applications International (US shipping container company)
- CAI stands for Club Atletico Independiente
- CAI stands for Culinary Academy of India (Osmania University)
- CAI stands for Centro de Atencíon Inmediata (Spanish: Immediate Care Center; Colombia)
- CAI stands for Confederation of Australian Industry
- CAI stands for Calcium Aluminum-rich Inclusion (mineralogy)
- CAI stands for Child Advocacy International
- CAI stands for Cairo, Egypt – International (Airport Code)
- CAI stands for Christian Associates International (religious group)
- CAI stands for Cicatelli Associates Inc.