| Abbreviation | Definition |
|---|---|
| IAASM | International Agreement for Acquisition of Software Maintenance |
| IAC | Inter Application Communication |
| IACS | Integrated Administration And Control System |
| IALA | Intel Application Launch Accelerator |
| IAM | Iam Ain't Mox |
| IAM | Index Of Array To Matrix |
| IAP | In App Purchase |
| IAP | In-App-Purchase |
| IAS | Interactive Advisory Software |
| IBFB | InterBase/FireBird |
| IBFV | Image Based Flow Visualization |
| IBI | Interface Business Intelligence |
| IBIS | I/O (input/Output) Buffer Information Specification file |
| IBIS | Integral Berghuizer Information System |
| IBIS | Interactive Biodiversity Identification Software |
| IBLL | Independent Build, Load, and Link |
| IBMA | Interconnected Business Management Application |
| IBMS | Immigration Border Management Systems |
| IBNR | Issued But Not Released |
| IBO | IMIS Business Objects |