| IBS | I Barely S 
| Others |
| IBS | Ichthyosis bullosa of Siemens
| Others |
| IBS | Identical By State
| Others |
| IBS | Idiot Boy Syndrome
| Others |
| IBS | IFOAM Basic Standards
| Others |
| IBS | Imas Business Solutions
| Others |
| IBS | Imlibund Bust Stand
| Others |
| IBS | Immediate Benefit Statement
| Others |
| IBS | ImmunoBlastic Sarcoma
| Others |
| IBS | In Building Solutions
| Others |
| IBS | In-Building Solution
| Others |
| IBS | Inductive Bible Study
| Others |
| IBS | Inertial Braking System
| Others |
| IBS | Infinite Brush Studio
| Others |
| IBS | Inflatable Boat, Small
| Others |
| IBS | Input Block Size
| Others |
| IBS | Input Buffer Size
| Others |
| IBS | Insiders Buying Service
| Others |
| IBS | Institute for Basic Science
| Others |
| IBS | Institute for Biomedical Sciences
| Others |
| IBS | Institute of Bangladesh Studies
| Others |
| IBS | Institute of Behavioral Science
| Others |
| IBS | Institute of Biblical Studies
| Others |
| IBS | Institute of Broadcast Sound
| Others |
| IBS | Institute of Buddhist Studies
| Others |
| IBS | Instruction Based Sampling
| Others |
| IBS | Integrated Battle Space
| Others |
| IBS | Integrated Binding System
| Others |
| IBS | Integrated Booking System
| Others |
| IBS | Integrated Braking System
| Others |
| IBS | Integrated Bridge System
| Others |
| IBS | Integrated Broadcast Service
| Others |
| IBS | Integrated Broadcast System
| Others |
| IBS | Integrated Business Services
| Others |
| IBS | Integrated Business Systems
| Others |
| IBS | Intelligent Battery Sensor
| Others |
| IBS | Intelligent Battery System
| Others |
| IBS | Intelligent Brake System
| Others |
| IBS | Intelligent Brave Soldiers
| Others |
| IBS | Intelligent Building System
| Others |
| IBS | Intelligent Building Systems
| Others |
| IBS | Intelligent Bus System
| Others |
| IBS | Intelsat Business Service
| Others |
| IBS | Intensive Behaviour Support
| Others |
| IBS | Interactive Blowing System
| Others |
| IBS | Interactive Business Systems
| Others |
| IBS | Interchangable Barrel System
| Others |
| IBS | Intercollegiate Broadcasting System
| Others |
| IBS | International Banking Statistics
| Others |
| IBS | International Barents Secretariat
| Others |
| IBS | International Basic Source
| Others |
| IBS | International Beauty Show
| Others |
| IBS | International Berkeley Society
| Others |
| IBS | International Bible Society
| Others |
| IBS | International Biogeography Society
| Others |
| IBS | International Biohydrometallurgy Symposium
| Others |
| IBS | International Biometric Society
| Others |
| IBS | International Blackjazz Society
| Others |
| IBS | International Broadcast Service
| Others |
| IBS | International Builders Show
| Others |
| IBS | International Builders' Show
| Others |
| IBS | International Bulb Society
| Others |
| IBS | International Business School
| Others |
| IBS | International Business Service
| Others |
| IBS | International Business Stream
| Others |
| IBS | International Business Students
| Others |
| IBS | International Business Studies
| Others |
| IBS | International Business Systems
| Others |
| IBS | Internet Backup Service
| Others |
| IBS | Internet Banking Service
| Others |
| IBS | Internet Banking Solutions
| Others |
| IBS | Internet Banking System
| Others |
| IBS | Internet Based Services
| Others |
| IBS | Internet Based Survey
| Others |
| IBS | Internet Based System
| Others |
| IBS | Internet Billing Service
| Others |
| IBS | Internet Book Shop
| Others |
| IBS | Internet Broadcasting System
| Others |
| IBS | Internet Broadcasting Systems
| Others |
| IBS | Internet Business Services
| Others |
| IBS | Internet Business Solutions
| Others |
| IBS | Internet Business Systems
| Others |
| IBS | Interrupted Bowel Syndrome
| Others |
| IBS | Investigative Bible Study
| Others |
| IBS | Irdeto Billing System
| Others |
| IBS | Irritable Bowel Sy
| Others |
| IBS | Irritable Bowel Syndrome
| Others |
| IBS | Irritable Bowl Syndrome
| Others |
| IBS | Irritable Brain Symptom
| Others |
| IBS | Itchy Butt Syndrome
| Others |
| IBS | Itty Bitty Ship (SEAL team)
| Others |
| IBS | The International Baccalaureate Socialists
| Others |