English abbreviations from cis to ciso
- CIS (Chartered Industries of Singapore)
- CISA ((U.S.) C4I Integration Support Activity)
- CISAC (International Confederation of Authors and Composers Societies)
- CISAM (Centro Interforze Studi Applicazioni Militari)
- CISB (Complete In Sealed Box (Internet auction/trading listings))
- CISBAN (Centre for Integrated Systems Biology of Aging & Nutrition)
- CISC (Complex Instruction Set Computer)
- CISCO ((instrumentation) Cooled Infrared Spectrograph and Camera for OHS, an instrument for the Subaru Telescope)
- CISD (Critical Incident Stress Debriefing)
- CISM (Critical incident stress management)
- CISO (Chief Information Security Officer)
