- CI stands for Common Interface
- CI stands for City (IRB)
- CI stands for Confidence Interval Configuration Item
- CI stands for Competitive Intelligence
- CI stands for Continuous Integration
- CI stands for Chile
- CI stands for Customer Information
- CI stands for Conservation International
- CI stands for Christmas Island
- CI stands for Call-In
- CI stands for Check In (IBM)
- CI stands for Corporate Information Criminal Intent (Law & Order TV series)
- CI stands for Channel Islands (UK)
- CI stands for Cast Iron
- CI stands for Canadian Idol (TV show)
- C/I stands for Commercial/Industrial
- CI stands for Cote d’Ivoire (country code, top level domain)
- CI stands for Criminal Investigation
- CI stands for Cumulative Incidence (epidemiology)
- CI stands for Configuration Interaction
- CI stands for Corporate Identity
- CI stands for Cayman Islands
- CI stands for Canadian Institute (Ontario, Canada)
- CI stands for Continuous Improvement (business quality/productivity assurance)
C/I