| Acronym | Definition |
|---|
| IIW➣Internet Identity Workshop |
| IIW➣International Institute of Welding |
| IIW➣Instructions in Writing (various organizations) |
| IIW➣It Is Written (TV/Internet religious ministry) |
| IIW➣Intelligence and Information Warfare (ITT Corporation; Nashua, NH) |
| IIW➣Insurance Information Warehouse |
| IIW➣Institut für Internationale Wirtschaftspolitik (German: Institute for International Economics) |
| IIW➣Integrated Information Workstation |
| IIW➣Information-in-War |
| IIW➣Institute of the Incarnate Word |