- ACIS stands for Advanced CCD Imaging Spectrometer
- ACIS stands for Automotive Competitiveness and Investment Scheme (Australia)
- ACIS stands for Accounting/Computer Information Systems (various schools)
- ACIS stands for American Conference for Irish Studies
- ACIS stands for Academic Information Systems (IBM)
- ACIS stands for All Children in School (UN)
- ACIS stands for Applied Climate Information System (US NOAA)
- ACIS stands for American Committee for Interoperable Systems
- ACIS stands for Automated Customs Information Service (Canada)
- ACIS stands for AXAF CCD Imaging Spectrometer (now Advanced CCD Imaging Spectrometer)
- ACIS stands for Aircrew Integrated Systems
- ACIS stands for Advanced Control Indicator Set
- ACIS stands for Acoustic Controlled Induction System (Toyota)
- ACIS stands for Advanced Cargo Information System
- ACIS stands for Advanced Cellular Internet Service
- ACIS stands for American Council for International Studies
- ACIS stands for Arms Control Intelligence Staff
- ACIS stands for Ameritech Customer Information System
- ACIS stands for Automated Chemical Inventory System
- ACIS stands for Associate of the Chartered Institute of Secretaries
- ACIS stands for Automated Combat Information System
- ACIS stands for Army Command Information System
- ACIS stands for Amphibious Command Information System
- ACIS stands for Arms Control Impact Statement
- ACIS stands for Armament Control Indicator Set (AN/ASQ-165)
- ACIS stands for Avionics/Crew Interface Simulator
- ACIS stands for Airborne Combat Information System
- ACIS stands for Actual Cubic Inches per Second
- ACIS stands for Association for Computing & Information Sciences
- ACIS stands for Automatic Customer/Caller Identification System (Sprint)
- ACIS stands for Avionics, Control & Information System
- ACIS stands for Alan Grayer, Charles Lang, Ian Braid, Dick Sower (Solid Modeling CAD library)
- ACIS stands for All Source Intelligence System
- ACIS stands for Automated Criminal Infractions System (North Carolina crime database)
- ACIS stands for Airfone Customer Information System (billing system for Airfone)
ACIS