| Abbreviation | Definition |
|---|---|
| IPV | In Process Verification |
| IPV4 | Internet Protocol version 4 |
| IPW | Intelligence for Psychological Warfare |
| IPW | Interrogation, Prisoner of War |
| IQ | Ignite Quickly |
| IQAF | The Iraqi Air Force |
| IQCO | Indian Queen's Commissioned Officer |
| IQD | Inside Quantity Distance |
| IQF | Individually Quick Frozen |
| IQL | Initially Qualified List |
| IQT | Informal Qualification Test |
| IQT | Initial Qualification Test |
| IR | Incident Record |
| IR | Information Rate |
| IR | Information Requirement |
| IR | Information Requirements |
| IR | Infrared |
| IR | Intelligence Requirement |
| IR | Internal Replenishment |
| IR | Pointer Infrared Pointer |