| Acronym | Definition |
|---|
| IBIS | International Benchmarking of the Information Society |
| IBIS | Interagency Border Inspection System |
| IBIS | I/O Buffer Information |
| IBIS | Issue-Based Information System |
| IBIS | Internet-Based Information Systems |
| IBIS | Integrated Botanical Information System (Australia) |
| IBIS | I/O Buffer Information Specification |
| IBIS | Integrated Business Information System |
| IBIS | Input/Output Buffer Information Specification |
| IBIS | Interoperability in Business Information Systems |
| IBIS | Interactive BodyMind Information System |
| IBIS | Illinois Bibliographic Information Service |
| IBIS | Inter-Banken-Informations-System (German electronic securities trading system) |
| IBIS | Integrated Biodiversity Information System |
| IBIS | Invasive Bacterial Infections Surveillance (EU) |
| IBIS | Improving Behaviour in Schools (UK) |
| IBIS | Independent Bonn International School (Germany) |
| IBIS | International Book Import Service |
| IBIS | Imager on Board INTEGRAL Satellite |
| IBIS | Institute for British-Irish Studies |
| IBIS | Interferometric Bidimensional Spectrometer |
| IBIS | Integrative Bodymind Information System |
| IBIS | Info Botswana Internet Services |
| IBIS | Institute for Business and Industrial Statistics (University of Amsterdam) |
| IBIS | Ion Beam Information System |
| IBIS | Integrated Broadcast Interaction System (interactive satellite digital TV) |
| IBIS | INSEAD Business in Society |
| IBIS | Image Based Information System |
| IBIS | Interfaces for Bilingual Information Systems |
| IBIS | Irsky Batch Inquiry System |
| IBIS | Intelligent Bus Information System |
| IBIS | International Book Information Service |
| IBIS | International Birth Defects Information System |
| IBIS | Irritable Bowel Information & Support (of Australia, Inc) |
| IBIS | Internet Borrower Inquiry Services |
| IBIS | Integrated On-Board Information System (European specification of a data bus for public transportation vehicles) |
| IBIS | Integrated Bayesian Inference System |
| IBIS | Item Banks Infrastructure Study |
| IBIS | Integrated Ballistic Identification Systems (ATF) |
| IBIS | Integrated Blade Inspection System |
| IBIS | Integrated Billing Information System |
| IBIS | Integrated Battlespace Intelligence Server |
| IBIS | Inflight Blade Inspection System |
| IBIS | Investment Banking Industry Scholars |
| IBIS | Interactive Battlespace Intelligence System |
| IBIS | Integrated Information Business Systems (consulting firm) |
| IBIS | Instrument for Biological Investigations in Space |
| IBIS | International Baccalaureate Information System |
| IBIS | Integrated Bus for Intelligent Sensors |
| IBIS | Integrated Battlespace Intelligence Segments |
| IBIS | Imaging Background Limited Infrared System |
| IBIS | Integrated Billing System |
| IBIS | Intelligent Banknote Identification System |
| IBiS | Impulse Center Business in Society |
| IBIS | Institute of Balanced and Integrated Spirituality |
| IBIS | Industrial Bin Information Systems (Prince George, British Columbia, Canada) |
| IBIS | Integrated Broadband Information Service |
| IBIS | ICAO Birdstrike Information System (aviation) |